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	The	3	(NP* (OP-DEF <>))
2	federal	3	(CORE_N* (AP-PERI (CORE_A (NUC_A (A <>)))))
3	government	4	(NP (CORE_N (NUC_N (N <>))))
4	suspended	0	(SENTENCE (CLAUSE (CORE (NP ) (NUC (V <>)) (NP ))))
5	sales	4	(NP (CORE_N (NUC_N (N <>)) (PP )))
6	of	5	(PP (P <>) (NP ))
7	U.S.	9	(NUC_N* (N-PROP <>))
8	savings	9	(NUC_N* (N <>))
9	bonds	6	(NP (CORE_N (NUC_N (N <>))))
10	because	14	(CLAUSE-PERI* (CLM <>))
11	Congress	14	(NP (CORE_N (NUC_N (N-PROP <>))))
12	has	14	(CORE* (OP-TNS <>))
13	n't	14	(CORE* (OP-NEG <>))
14	lifted	0	(SENTENCE (CLAUSE-PERI (CORE (NP ) (NUC (V <>)) (NP ))))
15	the	16	(NP* (OP-DEF <>))
16	ceiling	14	(NP (CORE_N (NUC_N (N <>)) (PP )))
17	on	16	(PP (P <>) (NP ))
18	government	19	(NUC_N* (N <>))
19	debt	17	(NP (CORE_N (NUC_N (N <>))))
20	.	0	(SENTENCE (. <>))