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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(SENTENCE
  (CLAUSE
    (CORE
      (NP
        (OP-DEF 0=The)
        (CORE_N (AP-PERI (CORE_A (NUC_A (A 1=immediate)))) (NUC_N (N 2=target)))
        (PP
          (CORE_P
            (NUC_P (P 3=of))
            (NP
              (NPIP
                (NP (CORE_N (NUC_N (N-PROP 4=Rep.) (N-PROP 5=Gonzalez))) (POS 6='s)))
              (CORE_N (NUC_N (N 7=inquiry)))))))
      (NUC
        (AUX-TNS 8=is)
        (NP
          (CORE_N
            (NUC_N (N-PROP 9=Danny) (N-PROP 10=Wall))
            (, 11=,)
            (NP
              (CORE_N
                (NUC_N (N 12=chairman))
                (PP
                  (CORE_P
                    (NUC_P (P 13=of))
                    (NP
                      (OP-DEF 14=the)
                      (CORE_N
                        (NUC_N (N-PROP 15=Office))
                        (PP
                          (CORE_P
                            (NUC_P (P 16=of))
                            (NP
                              (CORE_N
                                (NUC_N (N-PROP 17=Thrift) (N-PROP 18=Supervision)))))))))))))))
      (. 19=.))))

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(SENTENCE
  (CLAUSE
    (CORE
      (NP
        (CORE_N
          (NUC_N (N 2=target))
          (PP-PERI
            (CORE_P
              (NUC_P (P 3=of))
              (NP
                (CORE_N (NUC_N (N 7=inquiry)))
                (NPIP
                  (NP (CORE_N (NUC_N (N-PROP 5=Gonzalez) (N-PROP 4=Rep.))) (POS 6='s))))))
          (AP-PERI (CORE_A (NUC_A (A 1=immediate)))))
        (OP-DEF 0=The))
      (NUC
        (AUX-TNS 8=is)
        (NP
          (CORE_N
            (NUC_N (N-PROP 10=Wall) (N-PROP 9=Danny))
            (NP-PERI
              (CORE_N
                (NUC_N (N 12=chairman))
                (PP-PERI
                  (CORE_P
                    (NUC_P (P 13=of))
                    (NP
                      (CORE_N
                        (NUC_N (N-PROP 15=Office))
                        (PP-PERI
                          (CORE_P
                            (NUC_P (P 16=of))
                            (NP
                              (CORE_N
                                (NUC_N (N-PROP 18=Supervision) (N-PROP 17=Thrift)))))))
                      (OP-DEF 14=the)))))))))
      (. 19=.)
      (, 11=,))))

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Supertags

	token	arc	supertag
1	The	3	(NP* (OP-DEF <>))
2	immediate	3	(CORE_N* (AP-PERI (CORE_A (NUC_A (A <>)))))
3	target	9	(NP (CORE_N (NUC_N (N <>)) (PP )))
4	of	3	(PP (CORE_P (NUC_P (P <>)) (NP )))
5	Rep.	6	(NUC_N* (N-PROP <>))
6	Gonzalez	8	(NP* (NPIP (NP (CORE_N (NUC_N (N-PROP <>))))))
7	's	6	(NP* (POS <>))
8	inquiry	4	(NP (CORE_N (NUC_N (N <>))))
9	is	0	(SENTENCE (CLAUSE (CORE (NP ) (NUC (V <>)) (NP ))))
10	Danny	11	(NUC_N* (N-PROP <>))
11	Wall	9	(NP (CORE_N (NUC_N (N-PROP <>))))
12	,	11	(CORE_N* (, <>))
13	chairman	11	(CORE_N* (NP-PERI (CORE_N (NUC_N (N <>)) (PP ))))
14	of	13	(PP (CORE_P (NUC_P (P <>)) (NP )))
15	the	16	(NP* (OP-DEF <>))
16	Office	14	(NP (CORE_N (NUC_N (N-PROP <>)) (PP )))
17	of	16	(PP (P <>) (NP ))
18	Thrift	19	(NUC_N* (N-PROP <>))
19	Supervision	17	(NP (CORE_N (NUC_N (N-PROP <>))))
20	.	9	(CORE* (. <>))