A father and son trying to find shelter off of the streets.
They hurry to find shelter before the big storm hits.
Just because they are trying to find shelter doesn't mean they are in a hurry or that it's from a big storm.
exists e1 p1 s1 x1 x2 x3 x5.(n_street(x5) & a_topic(s1) & subset_of(x2,s1) & Topic(e1,p1) & Actor(e1,x3) & v_try(e1) & exists e2 x4.(of(e2,x5) & r_off(e2) & Theme(e2,x4) & Actor(e2,x3) & v_find(e2) & n_shelter(x4)) & (x2 = x3) & n_son(x2) & subset_of(x1,s1) & n_father(x1))
exists e1 p1 s1 x1 x3 x4.(n_hit(x3) & of(x3,x4) & n_storm(x4) & a_big(s1) & Theme(s1,x3) & n_thing(x1) & Topic(e1,p1) & Actor(e1,x1) & v_hurry(e1) & exists e2 x2.(before(e2,x3) & Theme(e2,x2) & Actor(e2,x1) & v_find(e2) & n_shelter(x2)))