Man is on his bike in the dirt.
A man is under a sink with a wrench in hand.
Man cannot be on his bike and under a sink at the same time
exists p1 x1 x2 x3.(n_dirt(x3) & on(x1,x2) & in(x2,x3) & n_bike(x2) & of(x2,x1) & n_male(x1) & n_man(x1))
exists p1 x1.(exists x2 x3 x4.(under(x1,x2) & with(x2,x3) & in(x3,x4) & n_hand(x4) & n_wrench(x3) & n_sink(x2)) & n_man(x1))