a man in black hugs a woman in black.
The two people are in love with each other.
Two people that hug may not be in love with each other, and just because a man and woman are hugging does not mean they are in love.
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 p1 x1.(n_people(x1) & card_eq_2(x1) & all x3.(n_other(x3) -> with(p1,x3)) & exists x2.(in(x1,x2) & n_love(x2)))