Four children are having a pillow fight.
Four children hitting each other with pillows.
A pillow fight doesn't mean the kids are hitting each other with pillows.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_fight(x2) & of(x2,x3) & n_pillow(x3) & n_child(x1) & card_eq_4(x1))
exists x1 x2.(a_topic(x1) & all x3.(n_other(x3) -> exists e1 x4.(with(e1,x4) & n_pillow(x4) & Theme(e1,x3) & Actor(e1,x2) & v_hit(e1))) & (x1 = x2) & n_child(x1) & card_eq_4(x1))