A guy on, what appears to be, skis is moving down a snow covered hill.
The guy is dancing in the rain.
If the man is wearing skis and moving down a snow covered hill, it is impossible for him to be dancing in the rain at the same time.
exists x1.(exists e3 e1 e2 p1 s1 x2 x3 x4.(n_thing(x2) & a_down(s1) & Manner(e3,s1) & Theme(e3,x3) & Actor(e3,x1) & v_move(e3) & n_hill(x3) & Theme(e2,x3) & v_cover(e2) & of(x3,x4) & n_snow(x4) & on(x1,x2) & Topic(e1,p1) & Actor(e1,x2) & v_appear(e1) & exists p2 x5.((x2 = x5) & n_ski(x5))) & n_guy(x1))
exists e1 x1 x2.(n_rain(x2) & n_guy(x1) & in(e1,x2) & Actor(e1,x1) & v_dance(e1))