a group of children are standing outside a building.
Boys and girls stand beneath a building.
Boys and girls could indicate a group of children. Beneath a building could mean the same thing as outside a building if the children are outside and right up beside a tall building.
exists e1 x1 x2 x3.(outside(e1,x3) & n_building(x3) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_child(x2) & n_group(x1))
exists e1 x1 x2 x3 x4.(beneath(e1,x4) & n_building(x4) & Actor(e1,x1) & v_stand(e1) & subset_of(x3,x1) & n_girl(x3) & subset_of(x2,x1) & n_boy(x2))