A man and a woman kissing on a street.
Two gay men hug each other.
A man and woman doesn't equal two men. Also, kissing is not hugging.
exists e1 s1 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & on(e1,x4) & n_street(x4) & Actor(e1,x3) & v_kiss(e1) & (x2 = x3) & n_woman(x2) & subset_of(x1,s1) & n_man(x1))
exists s1 x1.(all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_hug(e1))) & n_man(x1) & a_gay(s1) & Theme(s1,x1) & card_eq_2(x1))