A person in green pants on a snowboard above the snow covered ground.
A person is on a sandy beach.
you cannot be on a snowboard and on a sandy beach at the same time.
exists e1 s1 x1 x2 x3 x4 x5.(n_ground(x4) & Theme(e1,x4) & v_cover(e1) & of(x4,x5) & n_snow(x5) & a_topic(x1) & on(x1,x3) & above(x3,x4) & n_snowboard(x3) & in(x1,x2) & n_pants(x2) & a_green(s1) & Theme(s1,x2) & n_person(x1))
exists p1 x1.(exists s1 x2.(on(x1,x2) & n_beach(x2) & a_sandy(s1) & Theme(s1,x2)) & n_person(x1))