The man is being pulled behind a boat and doing tricks.
A man is being dragged behind a boat down a dirt road, to his death.
Being dragged signifies against someone's will, being pulled usually refers to consent.
exists e1 e2 x1 x2 x3.(n_man(x1) & Theme(e2,x3) & Actor(e2,x1) & v_do(e2) & n_trick(x3) & behind(e1,x2) & n_boat(x2) & Theme(e1,x1) & v_pull(e1))
exists e1 x1 x2 x3 x4 x5.(behind(e1,x2) & down(x2,x3) & to(x3,x5) & n_death(x5) & of(x5,x1) & n_male(x1) & n_road(x3) & of(x3,x4) & n_dirt(x4) & n_boat(x2) & Theme(e1,x1) & v_drag(e1) & n_man(x1))