RRGbank

To change a label, click on a node to select a different label from a list. The syntactic category and the function tag (before and after the dash "-") must be selected separately by clicking on the corresponding part of the label.
To add a function tag to a node that does not have one yet, drag it from the list of function tags onto the node.
Re-attach a node by dragging and dropping it on a new parent. This can be used to created discontinuous constituents.
Similarly, nodes can be removed and new ones added by dragging to/from below the tree.
Finally, the bracketing can be edited manually in the text box below the tree; press "validate" to update the tree. Whitespace is ignored. Each token must have a dedicated POS tag.

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(SENTENCE
  (CLAUSE
    (CORE
      (NP
        (NPIP (NP (CORE_N (NUC_N (N-PROP 0=Wednesday))) (POS 1='s)))
        (CORE_N (AP-PERI (CORE_A (NUC_A (A 2=dominant)))) (NUC_N (N 3=issue))))
      (NUC
        (AUX-TNS 4=was)
        (NP
          (CORE_N
            (NUC_N
              (N-PROP 5=Yasuda)
              (N-PROP 6=Fire)
              (CLM 7=&)
              (N-PROP 8=Marine)
              (N-PROP 9=Insurance))
            (, 10=,)
            (CLAUSE-PERI
              (PrCS (NP-WH (WDT 11=which)))
              (CORE
                (NUC (V 12=continued))
                (CORE (CLM 13=to) (NUC (V 14=surge)))
                (PP
                  (CORE_P
                    (NUC_P (P 15=on))
                    (NP
                      (CORE_N
                        (NUC_N (N 16=rumors))
                        (PP
                          (CORE_P
                            (NUC_P (P 17=of))
                            (NP
                              (CORE_N
                                (AP-PERI (CORE_A (NUC_A (A 18=speculative))))
                                (NUC_N (N 19=buying)))))))))))))))
      (. 20=.))))

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(SENTENCE
  (CLAUSE
    (CORE
      (NP
        (CORE_N (NUC_N (N 3=issue)) (AP-PERI (CORE_A (NUC_A (A 2=dominant)))))
        (NPIP (NP (CORE_N (NUC_N (N-PROP 0=Wednesday))) (POS 1='s))))
      (NUC
        (AUX-TNS 4=was)
        (NP
          (NP
            (CORE_N
              (NUC_N (N-PROP 6=Fire) (N-PROP 5=Yasuda))
              (CLAUSE-PERI
                (CORE
                  (CORE
                    (PP-PERI
                      (CORE_P
                        (NUC_P (P 15=on))
                        (NP
                          (CORE_N
                            (NUC_N (N 16=rumors))
                            (PP-PERI
                              (CORE_P
                                (NUC_P (P 17=of))
                                (NP
                                  (CORE_N
                                    (NUC_N (N 19=buying))
                                    (AP-PERI (CORE_A (NUC_A (A 18=speculative))))))))))))
                    (NUC (V 12=continued)))
                  (CORE (CLM 13=to) (NUC (V 14=surge))))
                (PrCS (NP-WH (PRO-WH 11=which))))))
          (NP (CORE_N (NUC_N (N-PROP 9=Insurance) (N-PROP 8=Marine))) (CLM 7=&))))
      (. 20=.)
      (, 10=,))))

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(SENTENCE
  (CLAUSE
    (CORE
      (NP
        (NPIP (NP (CORE_N (NUC_N (N-PROP 0=Wednesday))) (POS 1='s)))
        (CORE_N (AP-PERI (CORE_A (NUC_A (A 2=dominant)))) (NUC_N (N 3=issue))))
      (NUC
        (AUX-TNS 4=was)
        (NP
          (CORE_N
            (NUC_N
              (N-PROP 5=Yasuda)
              (N-PROP 6=Fire)
              (CLM 7=&)
              (N-PROP 8=Marine)
              (N-PROP 9=Insurance))
            (, 10=,))
          (SENTENCE-PERI
            (CLAUSE
              (PrCS (NP-REL (PRO-REL 11=which)))
              (CORE
                (CORE (NUC (V 12=continued)))
                (CORE
                  (CLM 13=to)
                  (NUC (V 14=surge))
                  (PP
                    (CORE_P
                      (NUC_P (P 15=on))
                      (NP
                        (CORE_N
                          (NUC_N (N 16=rumors))
                          (PP
                            (CORE_P
                              (NUC_P (P 17=of))
                              (NP
                                (CORE_N
                                  (AP-PERI (CORE_A (NUC_A (A 18=speculative))))
                                  (NUC_N (N 19=buying))))))))))))))))
      (. 20=.))))

Supertags

	token	arc	supertag
1	Wednesday	4	(NP* (NPIP (NP (CORE_N (NUC_N (N-PROP <>))))))
2	's	1	(NP* (POS <>))
3	dominant	4	(CORE_N* (AP-PERI (CORE_A (NUC_A (A <>)))))
4	issue	10	(NP (CORE_N (NUC_N (N <>))))
5	was	10	(NUC* (AUX-TNS <>))
6	Yasuda	10	(NUC_N* (N-PROP <>))
7	Fire	10	(NUC_N* (N-PROP <>))
8	&	10	(NUC_N* (CLM <>))
9	Marine	10	(NUC_N* (N-PROP <>))
10	Insurance	0	(SENTENCE (CLAUSE (CORE (NP ) (NUC (NP (CORE_N (NUC_N (N-PROP <>))))))))
11	,	10	(CORE_N* (, <>))
12	which	13	(NP-REL (PRO-REL <>))
13	continued	10	(NP* (SENTENCE-PERI (CLAUSE (PrCS (NP-REL )) (CORE (CORE (NUC (V <>)))))))
14	to	15	(CORE* (CLM <>))
15	surge	13	(CORE* (CORE (NUC (V <>)) (PP )))
16	on	15	(PP (CORE_P (NUC_P (P <>)) (NP )))
17	rumors	16	(NP (CORE_N (NUC_N (N <>)) (PP )))
18	of	17	(PP (CORE_P (NUC_P (P <>)) (NP )))
19	speculative	20	(CORE_N* (AP-PERI (CORE_A (NUC_A (A <>)))))
20	buying	18	(NP (CORE_N (NUC_N (N <>))))
21	.	10	(CORE* (. <>))