139_a_stuck_japan
It's essential to keep the concrete pumping.

%3 0139_0002__'s 's 0139_0001__It It 0139_0002__'s->0139_0001__It [arg0] 0139_0003__essential essential 0139_0002__'s->0139_0003__essential [prd] 0139_0005__keep keep 0139_0003__essential->0139_0005__keep [emb] 0139_0006__the_7__concrete the_concrete 0139_0005__keep->0139_0006__the_7__concrete [arg1] 0139_0008__pumping pumping 0139_0005__keep->0139_0008__pumping [prd] 0139_5004 0139_0005__keep->0139_5004 [arg0]
arc(r_0139_0002___apos_s,r_0139_0001__It,arg0).
arc(r_0139_0002___apos_s,r_0139_0003__essential,prd).
arc(r_0139_0003__essential,r_0139_0005__keep,emb).
arc(r_0139_0005__keep,r_0139_0006__the_r_0139_0007__concrete,arg1).
arc(r_0139_0005__keep,r_0139_0008__pumping,prd).
arc(r_0139_0005__keep,z_0139_5004,arg0).

n139_a_stuck_japan n139_a_stuck_japan__1_1_1_1 It n139_a_stuck_japan__1_2_1 's n139_a_stuck_japan__1_3_1_1 essential n139_a_stuck_japan__1_3_2_1_1 to n139_a_stuck_japan__1_3_2_2_1 keep n139_a_stuck_japan__1_3_2_3_1_1 the n139_a_stuck_japan__1_3_2_3_2_1 concrete n139_a_stuck_japan__1_3_2_4_1_1 pumping n139_a_stuck_japan__1_4_1 . n139_a_stuck_japan__1 IP-MAT n139_a_stuck_japan__1_1 NP-SBJ n139_a_stuck_japan__1->n139_a_stuck_japan__1_1 n139_a_stuck_japan__1_2 BEP;~ n139_a_stuck_japan__1->n139_a_stuck_japan__1_2 n139_a_stuck_japan__1_3 ADJP-PRD n139_a_stuck_japan__1->n139_a_stuck_japan__1_3 n139_a_stuck_japan__1_4 PUNC n139_a_stuck_japan__1->n139_a_stuck_japan__1_4 n139_a_stuck_japan__1_1_1 PRO n139_a_stuck_japan__1_1->n139_a_stuck_japan__1_1_1 n139_a_stuck_japan__1_1_1->n139_a_stuck_japan__1_1_1_1 n139_a_stuck_japan__1_2->n139_a_stuck_japan__1_2_1 n139_a_stuck_japan__1_3_1 ADJ n139_a_stuck_japan__1_3->n139_a_stuck_japan__1_3_1 n139_a_stuck_japan__1_3_2 IP-INF n139_a_stuck_japan__1_3->n139_a_stuck_japan__1_3_2 n139_a_stuck_japan__1_3_1->n139_a_stuck_japan__1_3_1_1 n139_a_stuck_japan__1_3_2_1 TO n139_a_stuck_japan__1_3_2->n139_a_stuck_japan__1_3_2_1 n139_a_stuck_japan__1_3_2_2 VB;~Cn.a n139_a_stuck_japan__1_3_2->n139_a_stuck_japan__1_3_2_2 n139_a_stuck_japan__1_3_2_3 NP-OB1 n139_a_stuck_japan__1_3_2->n139_a_stuck_japan__1_3_2_3 n139_a_stuck_japan__1_3_2_4 ADJP-PRD n139_a_stuck_japan__1_3_2->n139_a_stuck_japan__1_3_2_4 n139_a_stuck_japan__1_3_2_1->n139_a_stuck_japan__1_3_2_1_1 n139_a_stuck_japan__1_3_2_2->n139_a_stuck_japan__1_3_2_2_1 n139_a_stuck_japan__1_3_2_3_1 D n139_a_stuck_japan__1_3_2_3->n139_a_stuck_japan__1_3_2_3_1 n139_a_stuck_japan__1_3_2_3_2 N n139_a_stuck_japan__1_3_2_3->n139_a_stuck_japan__1_3_2_3_2 n139_a_stuck_japan__1_3_2_3_1->n139_a_stuck_japan__1_3_2_3_1_1 n139_a_stuck_japan__1_3_2_3_2->n139_a_stuck_japan__1_3_2_3_2_1 n139_a_stuck_japan__1_3_2_4_1 ADJ n139_a_stuck_japan__1_3_2_4->n139_a_stuck_japan__1_3_2_4_1 n139_a_stuck_japan__1_3_2_4_1->n139_a_stuck_japan__1_3_2_4_1_1 n139_a_stuck_japan__1_4->n139_a_stuck_japan__1_4_1
( (IP-MAT (NP-SBJ (PRO It;{it}))
          (BEP;~ <apos>s;{be})
          (ADJP-PRD (ADJ essential;{essential})
                    (IP-INF (TO to;{to})
                            (VB;~Cn.a keep;{keep})
                            (NP-OB1 (D the;{the})
                                    (N concrete;{concrete}))
                            (ADJP-PRD (ADJ pumping;{pumping}))))
          (PUNC .))
  (ID 139_a_stuck_japan))