Two men climb a set of stairs.
Two men wrestling over the last piece of chocolate.
You cannot climb and be wrestling at the same time.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & of(x2,x3) & n_stair(x3) & n_set(x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(n_piece(x3) & a_last(s1) & Theme(s1,x3) & a_topic(x1) & over(e1,x3) & of(x3,x4) & n_chocolate(x4) & Actor(e1,x2) & v_wrestle(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))