A boy on a bike jumping.
Boy rolling in dirt
The boy cannot be jumping and rolling simultaneously.
exists e1 x1 x2 x3.(a_topic(x1) & on(x1,x2) & Actor(e1,x3) & v_jump(e1) & (x2 = x3) & n_bike(x2) & n_boy(x1))
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_dirt(x3) & n_rolling(x1) & (x1 = x2) & ne_nam_boy(x2))