People outside in a city field.
People are inside an office building.
outside refers to not being in an in closed space, inside refers to being in an in closed space.
exists x1 x2 x3 x4.(a_topic(x1) & in(x2,x3) & n_field(x3) & of(x3,x4) & n_city(x4) & outside(x1,x2) & n_thing(x2) & n_people(x1))
exists p1 x1.(exists x2 x3.(inside(x1,x2) & n_building(x2) & of(x2,x3) & n_office(x3)) & n_people(x1))