A man and woman sit down and talk.
A man and a woman are breaking up.
Just because a man and woman sits down and talk doesn't mean that they are breaking up.
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x5,s1) & n_talk(x5) & subset_of(x1,s1) & a_down(s2) & Manner(e1,s2) & Actor(e1,x4) & v_sit(e1) & (x1 = x4) & n_woman(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 s1 x1 x2 x3.(a_up(s1) & Manner(e1,s1) & Actor(e1,x1) & v_break(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))