A man on a snowboard travels downhill towards the camera.
A man riding a snowboard approaches the camera from the top of the hill.
Approaches is a rephrasing of towards. One going downhill is going from the top of the hill.
exists e1 p1 x1 x2 x3.(n_camera(x3) & towards(e1,x3) & exists s1.(Theme(s1,x1) & a_downhill(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_travel(e1) & on(x1,x2) & n_snowboard(x2) & n_man(x1))
exists e1 e2 x1 x2 x3 x4 x5 x6.(n_hill(x6) & n_top(x5) & n_camera(x4) & from(e2,x5) & of(x5,x6) & Theme(e2,x4) & Actor(e2,x1) & v_approach(e2) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_snowboard(x3) & (x1 = x2) & n_man(x1))