arc(r_0005_0001__Is,r_0005_0003__safe,prd2).
arc(r_0005_0001__Is,r_0005_0005__drink,argn0).
arc(r_0005_0005__drink,r_0005_0002__it,arg1).
arc(z_0005_1002__question,r_0005_0001__Is,keep_scope).

( (CP-QUE-MAT (IP-SUB (BEP;~La Is;{be})
                      (NP-SBJ;{PRODUCT} (PRO it;{it}))
                      (ADJP-PRD2 (ADJ safe;{safe}))
                      (IP-INF-NSBJ (NP-LGS *)
                                   (TO to;{to})
                                   (VB;~Tn drink;{drink})))
              (PUNC ?))
  (ID 5_a_takmi))