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	For	0	(SENTENCE (PrDP (PP (CORE_P (NUC_P (P <>)) (NP )))))
2	1988	1	(NP (CORE_N (NUC_Q (QNT <>))))
3	,	1	(PrDP* (, <>))
4	Commonwealth	5	(NUC_N* (N-PROP <>))
5	Edison	6	(NP (CORE_N (NUC_N (N-PROP <>))))
6	reported	0	(SENTENCE (CLAUSE (CORE (NP ) (NUC (V <>)) (NP ))))
7	earnings	6	(NP (CORE_N (NUC_N (N <>)) (PP )))
8	of	7	(PP (P <>) (NP ))
9	$	8	(NP (NP (CORE_N (NUC_N (N <>)))))
10	737.5	11	(NUC_Q* (QNT <>))
11	million	9	(CORE_N* (QP (CORE_Q (NUC_Q (QNT <>)))))
12	,	14	(NP* (, <>))
13	or	14	(NP* (CLM <>))
14	$	9	(NP* (NP (CORE_N (NUC_N (N <>)))))
15	3.01	14	(CORE_N* (QP (CORE_Q (NUC_Q (QNT <>)))))
16	a	17	(CORE_N* (OP-DEF <>))
17	share	14	(CORE_N* (NP-PERI (CORE_N (NUC_N (N <>)))))
18	.	6	(CORE* (. <>))