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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Supertags

	token	arc	supertag
1	HE	2	(NP (PRO <>))
2	RODE	0	(SENTENCE (PrDP (SENTENCE (CLAUSE (CORE (NP ) (NUC (V <>)) (NP ))))))
3	HIS	4	(NP* (OP-DEF <>))
4	HOBBY	2	(NP (CORE_N (NUC_N (N <>))))
5	,	2	(CLAUSE* (, <>))
6	but	10	(CLAUSE* (CLM <>))
7	he	10	(NP (PRO <>))
8	could	10	(CORE* (OP-MOD <>))
9	n't	10	(CORE* (OP-NEG <>))
10	milk	2	(SENTENCE* (CLAUSE (CORE (NP ) (NUC (V <>)) (NP ))))
11	it	10	(NP (PRO <>))
12	,	16	(CORE* (, <>))
13	the	15	(NP* (OP-DEF <>))
14	Tax	15	(NUC_N* (N-PROP <>))
15	Court	16	(NP (CORE_N (NUC_N (N-PROP <>))))
16	says	0	(SENTENCE (CLAUSE (CORE (NP ) (NUC (V <>)))))
17	.	16	(CORE* (. <>))