A man on a dirt bike in midair competing.
A man is outside on his dirt bike.
Just because A man on a dirt bike in midair competing doesn't mean he is outside.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & Actor(e1,x5) & v_compete(e1) & (x1 = x5) & on(x1,x2) & in(x2,x4) & n_midair(x4) & n_bike(x2) & of(x2,x3) & n_dirt(x3) & n_man(x1))
exists s1 x1 x2 x3.(on(s1,x2) & n_bike(x2) & of(x2,x3) & n_dirt(x3) & of(x2,x1) & n_male(x1) & Theme(s1,x1) & a_outside(s1) & n_man(x1))