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	At	0	(SENTENCE (PrDP (PP (CORE_P (NUC_P (P <>)) (NP )))))
2	the	3	(NP* (OP-DEF <>))
3	time	1	(NP (CORE_N (NUC_N (N <>))))
4	,	10	(CORE* (, <>))
5	the	9	(NP* (OP-DEF <>))
6	Dow	9	(NUC_N* (N-PROP <>))
7	Jones	9	(NUC_N* (N-PROP <>))
8	Industrial	9	(NUC_N* (N-PROP <>))
9	Average	10	(NP (CORE_N (NUC_N (N-PROP <>))))
10	stood	0	(SENTENCE (CLAUSE (CORE (NP ) (NUC (V <>)) (PP ))))
11	at	10	(PP (CORE_P (NUC_P (P <>)) (NP )))
12	about	13	(CORE_Q* (ADVP-PERI (CORE_ADV (NUC_ADV (ADV <>)))))
13	2200	11	(NP (CORE_N (QP (CORE_Q (NUC_Q (QNT <>))))))
14	.	0	(SENTENCE (. <>))