arc(r_0018_0001__Let,r_0018_0002___apos_s,arg1).
arc(r_0018_0001__Let,r_0018_0003__go,prd).
arc(r_0018_0003__go,r_0018_0004__back,dir).
arc(r_0018_0003__go,r_0018_0005__at_once,tmp).
arc(z_0018_1002__imperative,r_0018_0001__Let,keep_scope).

( (IP-IMP (VB;~Cn.i Let;{let})
          (NP-OB1;{TRESPASSERS} (PRO <apos>s;{we}))
          (IP-INF-PRD (VB;~Ip go;{go[back]})
                      (ADVP-DIR (RP back;{back}))
                      (ADVP-TMP (ADV at_once;{at_once})))
          (PUNC .)
          (PURQ <rdquo>))
  (ID 18_a_dick_1952))