People are sitting on a snowy mountain.
There is snow on the mountain.
A snowy mountain means that there is snow on the mountain
exists e1 s1 x1 x2.(on(e1,x2) & n_mountain(x2) & a_snowy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1))
exists p1 x1 x3.(n_mountain(x3) & exists x2.((x1 = x2) & on(x2,x3) & n_snow(x2)))