There is a large crowd in front of a building.
They are outdoors.
Although there is a crowd in front of a building, it does not imply they are outdoors.
exists p1 x1 s1 x2 x3 x4.((x1 = x2) & in(x2,x3) & of(x3,x4) & n_building(x4) & n_front(x3) & n_crowd(x2) & a_large(s1) & Theme(s1,x2))
exists p1 x1.(n_thing(x1) & exists x2.((x1 = x2) & n_outdoors(x2)))