A man on a motorcycle pops a wheelie in the dirt.
A man is performing a trick to impress his girlfriend.
A man doing a trick on a motorcycle does not imply that he is doing so to impress his girlfriend.
exists e1 x1 x2 x3 x4.(n_dirt(x4) & in(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_pop(e1) & n_wheelie(x3) & on(x1,x2) & n_motorcycle(x2) & n_man(x1))
exists e1 p1 x1 x2 x3 x4.(Topic(e1,p1) & exists e2.(Theme(e2,x4) & Actor(e2,x1) & v_impress(e2)) & n_girlfriend(x4) & of(x4,x1) & n_male(x1) & Theme(e1,x3) & Actor(e1,x2) & v_perform(e1) & n_trick(x3) & n_man(x2) & n_man(x1))