A man in a yellow coat jumps his snowboard off a rail.
A man is doing tricks on his snowboard for onlookers.
There is no indication a man jumping his snowboard off a rail indicates it is for onlookers.
exists e1 s1 x1 x2 x3 x4.(off(e1,x4) & n_rail(x4) & Theme(e1,x3) & Actor(e1,x1) & v_jump(e1) & n_snowboard(x3) & of(x3,x1) & n_male(x1) & in(x1,x2) & n_coat(x2) & a_yellow(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(for(e1,x4) & n_onlooker(x4) & on(e1,x3) & n_snowboard(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_trick(x2) & n_man(x1))