The dogs ran around the dirt racetrack.
Dogs are humping each other.
Dogs would not be humping while they ran around the dirt racetrack.
exists e1 x1 x2 x3.(n_racetrack(x2) & of(x2,x3) & n_dirt(x3) & n_dog(x1) & around(e1,x2) & Actor(e1,x1) & v_run(e1))
exists x1.(all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_hump(e1))) & n_dog(x1))