A woman talks to a man while walking in a crowd.
A woman talks to her dog while laying on the couch.
They are not contradictory they describe what she is doing while In Crowd or while on couch
(x)
exists e1 x1 x2 x3 x4 x5 x6.(n_couch(x5) & while(x6,e1) & n_event(x6) & for(e1,x1) & on(e1,x5) & Actor(e1,x4) & v_lay(e1) & n_thing(x4) & to(x1,x3) & n_dog(x3) & of(x3,x1) & n_female(x1) & n_talk(x1) & of(x1,x2) & n_woman(x2))