The boy is doing a stunt through the air, on a bicycle.
A person is doing a trick on a bike
stunt and trick are the same thing.
exists e1 x1 x2 x3 x4.(n_air(x3) & n_boy(x1) & on(e1,x4) & n_bicycle(x4) & through(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_stunt(x2))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & on(x2,x3) & n_bike(x3) & n_trick(x2) & n_person(x1))