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	Ford	3	(NP (CORE_N (NUC_N (N-PROP <>))))
2	began	3	(NUC* (NUC (V <>)))
3	installing	0	(SENTENCE (CLAUSE (CORE (NP ) (NUC (NUC (V <>))) (NP ) (PP ))))
4	the	6	(NP* (OP-DEF <>))
5	rear-seat	6	(NUC_N* (N <>))
6	belts	3	(NP (CORE_N (NUC_N (N <>))))
7	in	3	(PP (CORE_P (NUC_P (P <>)) (NP )))
8	trucks	7	(NP (CORE_N (NUC_N (N <>))))
9	with	3	(CORE* (PP-PERI (CORE_P (NUC_P (P <>)) (NP ))))
10	its	14	(NP* (OP-DEF <>))
11	F-series	14	(NUC_N* (N-PROP <>))
12	Crew	14	(NUC_N* (N-PROP <>))
13	Cab	14	(NUC_N* (N-PROP <>))
14	pickups	9	(NP (CORE_N (NUC_N (N <>))))
15	in	3	(CORE* (PP-PERI (CORE_P (NUC_P (P <>)) (NP ))))
16	the	19	(NP* (OP-DEF <>))
17	1989	19	(CORE_N* (NP-PERI (CORE_N (NUC_Q (QNT <>)))))
18	model	19	(NUC_N* (N <>))
19	year	15	(NP (CORE_N (NUC_N (N <>))))
20	.	3	(CORE* (. <>))