A man and girl are laughing together.
The couple is watching a funny movie.
The man and girl are not necessarily a couple.
exists e1 p1 x1 x2 x3.(exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_laugh(e1) & n_girl(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 s1 x1 x2.(n_couple(x1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_movie(x2) & a_funny(s1) & Theme(s1,x2))