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	They	5	(NP (PRO <>))
2	,	3	(ADVP-PERI* (, <>))
3	too	1	(NP* (ADVP-PERI (CORE_ADV (NUC_ADV (ADV <>)))))
4	,	3	(ADVP-PERI* (, <>))
5	promised	0	(SENTENCE (CLAUSE (CORE (NP ) (NUC (V <>))) (CORE )))
6	to	7	(CORE* (CLM <>))
7	combine	5	(CORE (NUC (V <>)) (NP ) (PP (P ) (NP )))
8	economic	9	(CORE_N* (AP-PERI (CORE_A (NUC_A (A <>)))))
9	efficiency	7	(NP (CORE_N (NUC_N (N <>))))
10	with	7	(P <>)
11	order	13	(NUC_N (N <>))
12	and	13	(NUC_N* (CLM <>))
13	discipline	7	(NP (CORE_N (NUC_N ) (NUC_N (N <>))))
14	.	7	(CORE* (. <>))