People are walking on a street outside of a building.
There are people walking outside of the building.
we have the rephrasing of words as There are people walking outside of the building
exists e1 x1 x2 x3.(of(e1,x3) & n_building(x3) & r_outside(e1) & on(e1,x2) & n_street(x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))
exists p1 x1 x4.(n_building(x4) & exists e1 x2 x3.((x1 = x2) & of(e1,x4) & r_outside(e1) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_people(x2)))