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	We	3	(NP (PRO <>))
2	keep	3	(NUC* (NUC (V <>)))
3	wondering	0	(SENTENCE (CLAUSE (CORE (NP ) (NUC (NUC (V <>))))))
4	what	9	(NP-WH (PRO-WH <>))
5	Mr.	6	(NUC_N* (N-PROP <>))
6	Gates	7	(NP (CORE_N (NUC_N (N-PROP <>))))
7	wanted	9	(CLAUSE (CORE (NP ) (NUC (V <>)) (CORE )))
8	to	9	(CORE* (CLM <>))
9	say	3	(CLAUSE* (CORE (CLAUSE (PrCS (NP-WH )) (CORE#WRAP# (NUC (V <>))))))
10	.	3	(CLAUSE* (. <>))