A snowboarder slides through the freshly fallen powder snow.
There is no snow on the entire mountain
There cannot both be snow and no snow.
exists e2 e1 x1 x2 x3.(n_snow(x2) & of(x2,x3) & n_powder(x3) & Theme(e2,x2) & v_fall(e2) & r_freshly(x2) & through(e1,x2) & Actor(e1,x1) & v_slide(e1) & n_snowboarder(x1))
exists p1 s1 x1 x3.(n_mountain(x3) & a_entire(s1) & Theme(s1,x3) & -exists x2.((x1 = x2) & on(x2,x3) & n_snow(x2)))