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	realty	3	(NUC_N* (N <>))
3	unit	0	(SENTENCE (CLAUSE (CORE (CORE (NP (CORE_N (NUC_N (N <>))))) (CORE ))))
4	might	3	(CORE* (OP-MOD <>))
5	take	3	(CORE (NUC (V <>) (PRT )))
6	on	5	(PRT <>)
7	new	8	(CORE_N* (AP-PERI (CORE_A (NUC_A (A <>)))))
8	debt	3	(CORE* (CORE (NP (CORE_N (NUC_N (N <>))))))
9	or	10	(CORE* (CLM <>))
10	obtain	3	(CORE* (CORE (NUC (V <>)) (NP )))
11	additional	12	(CORE_N* (AP-PERI (CORE_A (NUC_A (A <>)))))
12	investors	10	(NP (CORE_N (NUC_N (N <>))))
13	,	10	(CORE* (, <>))
14	among	3	(CORE* (PP-PERI (CORE_P (NUC_P (P <>)) (NP ))))
15	other	16	(CORE_N* (AP-PERI (CORE_A (NUC_A (A <>)))))
16	possibilities	14	(NP (CORE_N (NUC_N (N <>))))
17	.	0	(SENTENCE (. <>))