A man and a woman talk while standing next to a tree.
A man and woman talking about movies.
Just because they talk doesn't mean it is about movies.
(x)
exists e1 s1 x1 x2 x3 x4.(a_topic(s1) & about(e1,x4) & n_movie(x4) & Actor(e1,x3) & v_talk(e1) & (s1 = x3) & n_woman(x2) & n_man(x1) & subset_of(x2,s1) & subset_of(x1,s1))