A man and a woman are talking while waiting at a crosswalk.
The man and woman are at a crosswalk.
The pair have to be at a crosswalk to be waiting there.
exists e2 e1 x1 x2 x3 x4.(while(e1,e2) & at(e2,x4) & n_crosswalk(x4) & Actor(e2,x1) & v_wait(e2) & Actor(e1,x1) & v_talk(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))
exists p1 x1 x2 x3.(n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1) & exists x4.(at(x1,x4) & n_crosswalk(x4)))