A man on a motorcycle pops a wheelie in the dirt.
A man fell off his motorcycle.
A man cannot pop a wheelie and fall off of a motorcycle at the same time.
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 s1 x1 x2.(a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fall(e1) & n_motorcycle(x2) & of(x2,x1) & n_male(x1) & n_man(x1))