A man and a woman hugging.
A man and a woman are not interacting with each other.
The man and woman are either hugging, or not interacting with each other.
exists e1 s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & Actor(e1,x3) & v_hug(e1) & (x2 = x3) & n_woman(x2) & subset_of(x1,s1) & n_man(x1))
exists x1 x2 x3.(-exists e1.(all x4.(n_other(x4) -> with(e1,x4)) & Actor(e1,x1) & v_interact(e1)) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))