arc(r_0020_0002__son,r_0020_0001__My,genv).
arc(r_0020_0003__is,r_0020_0002__son,arg0).
arc(r_0020_0003__is,r_0020_0005__happy,prd2).
arc(r_0020_0005__happy,r_0020_0004__really,qual).
arc(r_0020_0005__happy,r_0020_0007__it,r_0020_0006__about).

( (IP-MAT (NP-SBJ;{SON_OF_A} (NP-GENV;{PERSON_A} (PRO;_genm_ My;{my}))
                             (N son;{son}))
          (BEP;~La is;{be})
          (ADJP-PRD2 (ADVP (ADV really;{really}))
                     (ADJ happy;{happy})
                     (PP (P-ROLE about;{about})
                         (NP;{EVENT_A} (PRO it;{it}))))
          (PUNC .))
  (ID 20_a_lockdown;speaker=a))