A man in a yellow hat is crouching on his snowboard.
A man is crouching on his snowboard at the top of a mountain.
Just because a man is on his snowboard it does not mean he is on top of the mountain.
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_snowboard(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x1) & v_crouch(e1) & in(x1,x2) & n_hat(x2) & a_yellow(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(n_top(x3) & at(e1,x3) & of(x3,x4) & n_mountain(x4) & on(e1,x2) & n_snowboard(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_crouch(e1) & n_man(x1))