a man is kissing a woman.
Two women are kissing
A man is opposite gender of woman, so there can be either a man and a woman or two women.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_kiss(e1) & n_woman(x2) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_kiss(e1) & n_woman(x1) & card_eq_2(x1))