A man on the beach is taking a picture of another man.
Two men are dancing on the beach.
If a man is taking a picture of another man, he cannot also be dancing with him at the same time.
exists e1 x1 x2 x3 x4.(n_beach(x2) & Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & of(x3,x4) & n_man(x4) & -(x4 = x1) & n_man(x1) & n_man(x1) & n_picture(x3) & on(x1,x2))
exists e1 x1 x2.(n_beach(x2) & on(e1,x2) & Actor(e1,x1) & v_dance(e1) & n_man(x1) & card_eq_2(x1))