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	Mr.	2	(NUC_N* (N-PROP <>))
2	Vinken	4	(NP (CORE_N (NUC_N (N-PROP <>))))
3	is	4	(NUC* (AUX-TNS <>))
4	chairman	0	(SENTENCE (CLAUSE (CORE (NP ) (NUC (NP (CORE_N (NUC_N (N <>)) (PP )))))))
5	of	4	(PP (P <>) (NP ))
6	Elsevier	7	(NUC_N* (N-PROP <>))
7	N.V.	5	(NP (CORE_N (NUC_N (N-PROP <>))))
8	,	12	(NP-PERI* (, <>))
9	the	12	(NP-PERI* (OP-DEF <>))
10	Dutch	12	(CORE_N* (AP-PERI (CORE_A (NUC_A (A <>)))))
11	publishing	12	(NUC_N* (V-GER <>))
12	group	7	(CORE_N* (NP-PERI (CORE_N (NUC_N (N <>)))))
13	.	0	(SENTENCE (. <>))