Two men playing volleyball
Men slapping each other silly.
Men playing volleyball could not have been slapping each other.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_volleyball(x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists x1 x2 x4.(n_silly(x4) & a_topic(x1) & all x3.((-(x3 = x4) & n_silly(x3)) -> exists e1.(Theme(e1,x3) & Actor(e1,x2) & v_slap(e1))) & (x1 = x2) & n_man(x1))