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	GAF	6	(NP (CORE_N (NUC_N (N-PROP <>))))
2	,	4	(NP-PERI* (, <>))
3	Part	4	(NUC_N* (N-PROP <>))
4	III	1	(CORE_N* (NP-PERI (CORE_N (NUC_N (N-PROP <>)))))
5	is	6	(NUC* (AUX-TNS <>))
6	scheduled	0	(SENTENCE (CLAUSE (CORE (NP ) (NUC (V <>))) (CORE )))
7	to	8	(CORE* (CLM <>))
8	begin	6	(CORE (NUC (V <>)))
9	today	8	(CORE* (NP-PERI (CORE_N (NUC_N (N <>)))))
10	.	0	(SENTENCE (. <>))