A man doing tricks in the snow.
There is no snow where the man is
If you're in the snow, it's impossible for there to be no snow.
exists e1 x1 x2 x3 x4.(n_snow(x4) & a_topic(x1) & in(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_do(e1) & n_trick(x3) & (x1 = x2) & n_man(x1))
exists p1 x1 x3.(n_man(x3) & -exists p2 x2.((x1 = x2) & exists e1.(Actor(e1,x3) & v_be(e1)) & where(x2,p2) & n_snow(x2)))