A man snowboarding making a jump off a steel guard rail.
A man is wearing a snowboard.
A man wears a snowboard to jump off a rail .
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_make(e1) & off(x3,x4) & n_rail(x4) & of(x4,x6) & n_guard(x6) & of(x4,x5) & n_steel(x5) & n_jump(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_snowboard(x2) & n_man(x1))