a man in black hugs a woman in black.
A man hugs his wife.
A man and woman hugging are not necessarily in a relationship with each other.
exists x1.(all x2.(n_woman(x2) -> exists s1 s2 x3 x4.(a_topic(x1) & in(x1,x3) & Theme(s2,x4) & a_black(s2) & (x3 = x4) & for(x3,x2) & n_hug(x3) & a_black(s1) & Theme(s1,x3))) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hug(e1) & n_wife(x2) & of(x2,x1) & n_male(x1) & n_man(x1))