37_a_major_case
The only conceivable explanation is that the true reasons if disclosed would be adverse to his case.

0037_0001__The_0037_0004__explanation the_explanation 0037_0002__only only 0037_0001__The_0037_0004__explanation->0037_0002__only [attrib] 0037_0003__conceivable conceivable 0037_0001__The_0037_0004__explanation->0037_0003__conceivable [attrib] 0037_0005__is is 0037_0005__is->0037_0001__The_0037_0004__explanation [arg0] 0037_0010__if if 0037_0005__is->0037_0010__if [prd] 0037_0011__disclosed disclosed 0037_0010__if->0037_0011__disclosed [restriction] 0037_0012__would would 0037_0010__if->0037_0012__would [scope] 0037_0007__the_0037_0009__reasons the_reasons 0037_0008__true true 0037_0007__the_0037_0009__reasons->0037_0008__true [attrib] 0037_0011__disclosed->0037_0007__the_0037_0009__reasons [arg1] staz_0037_5008 * 0037_0011__disclosed->staz_0037_5008 [arg0] 0037_0013__be be 0037_0012__would->0037_0013__be [scope] 0037_0013__be->0037_0007__the_0037_0009__reasons [arg0] 0037_0014__adverse adverse 0037_0013__be->0037_0014__adverse [prd] 0037_0017__case case 0037_0014__adverse->0037_0017__case to 0037_0016__his his 0037_0017__case->0037_0016__his [gen]
arc(r_0037_0001__The_r_0037_0004__explanation,r_0037_0002__only,attrib).
arc(r_0037_0001__The_r_0037_0004__explanation,r_0037_0003__conceivable,attrib).
arc(r_0037_0005__is,r_0037_0001__The_r_0037_0004__explanation,arg0).
arc(r_0037_0005__is,r_0037_0010__if,prd).
arc(r_0037_0007__the_r_0037_0009__reasons,r_0037_0008__true,attrib).
arc(r_0037_0010__if,r_0037_0011__disclosed,restriction).
arc(r_0037_0010__if,r_0037_0012__would,scope).
arc(r_0037_0011__disclosed,r_0037_0007__the_r_0037_0009__reasons,arg1).
arc(r_0037_0011__disclosed,star_z_0037_5008,arg0).
arc(r_0037_0012__would,r_0037_0013__be,keep_scope).
arc(r_0037_0013__be,r_0037_0007__the_r_0037_0009__reasons,arg0).
arc(r_0037_0013__be,r_0037_0014__adverse,prd).
arc(r_0037_0014__adverse,r_0037_0017__case,r_0037_0015__to).
arc(r_0037_0017__case,r_0037_0016__his,gen).


IP-MAT NP-SBJ D The ADJP ADJ only ADJP ADJ conceivable N explanation BEP;~equ_Vf is CP-THT-PRD IP-SUB C that NP-SBJ D the ADJP ADJ true NS reasons PP-SCON P-CONN if IP-PPL NP-LGS * VVN disclosed MD;~cat_Vi would IP-INF-CAT BE;~La be ADJP-PRD ADJ adverse PP P-ROLE to NP NP-GEN PRO;_genm_ his N case PUNC .
( (IP-MAT (NP-SBJ (D The;{the})
                  (ADJP (ADJ only;{only}))
                  (ADJP (ADJ conceivable;{conceivable}))
                  (N explanation;{explanation}))
          (BEP;~equ_Vf is;{be})
          (CP-THT-PRD (IP-SUB (C that;{that})
                              (NP-SBJ (D the;{the})
                                      (ADJP (ADJ true;{true}))
                                      (NS reasons;{reason}))
                              (PP-SCON (P-CONN if;{if})
                                       (IP-PPL (NP-LGS *)
                                               (VVN disclosed;{disclose})))
                              (MD;~cat_Vi would;{will})
                              (IP-INF-CAT (BE;~La be;{be})
                                          (ADJP-PRD (ADJ adverse;{adverse})
                                                    (PP (P-ROLE to;{to})
                                                        (NP (NP-GEN;{JOHNSON} (PRO;_genm_ his;{his}))
                                                            (N case;{case})))))))
          (PUNC .))
  (ID 37_a_major_case))