Man is standing on white sand and holding a snowboard.
Man is standing at a hill about to snowboard.
We do not know if the man is at a hill about to snowboard.
exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_hold(e2) & n_snowboard(x4) & n_man(x3) & on(e1,x2) & n_sand(x2) & a_white(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists e1 p1 s1 x1 x2 x3.(Topic(e1,p1) & a_about(s1) & Manner(p1,s1) & exists e2.(Actor(e2,x1) & v_snowboard(e2)) & at(e1,x3) & n_hill(x3) & Actor(e1,x2) & v_stand(e1) & n_man(x2) & n_man(x1))