paintball fight on the range
No one is playing paintball.
There cannot be a paintball fight if no one is paintballing.
exists x1 x2 x3.(n_range(x3) & a_topic(x1) & on(x1,x3) & n_fight(x1) & of(x1,x2) & n_paintball(x2))
-exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_paintball(x2) & n_one(x1))