A man and woman kissing in a dark subway
The couple is kissing.
A man and women implies a couple.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(s1) & in(e1,x4) & n_subway(x4) & a_dark(s2) & Theme(s2,x4) & Actor(e1,x3) & v_kiss(e1) & (s1 = x3) & n_woman(x2) & n_man(x1) & subset_of(x2,s1) & subset_of(x1,s1))
exists e1 x1.(n_couple(x1) & Actor(e1,x1) & v_kiss(e1))