Three are standing on a mountain.
There are people outside on a big hill.
people standing on a mountain can be understood that they were standing on a big hill.
exists e1 x1 x2.(on(e1,x2) & n_mountain(x2) & Actor(e1,x1) & v_stand(e1) & n_thing(x1) & card_eq_3(x1))
exists p1 x1 s1 x2 x3 x4.((x1 = x2) & on(x3,x4) & n_hill(x4) & a_big(s1) & Theme(s1,x4) & outside(x2,x3) & n_thing(x3) & n_people(x2))