A man and a woman hugging.
A man and a woman embrace.
If a woman and a man embrace they are hugging
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 s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & n_embrace(x2) & of(x2,x3) & n_woman(x3) & subset_of(x1,s1) & n_man(x1))