The back of a stop sign is visible in front of the stone building.
You can see the stop sign from the front of the building.
The sign is visible from the front of the building is the same as you can see the sign from the front of the building.
exists s1 x1 x2 x3 x4 x5 x6.(n_building(x5) & of(x5,x6) & n_stone(x6) & n_back(x1) & in(s1,x4) & of(x4,x5) & n_front(x4) & Theme(s1,x1) & a_visible(s1) & of(x1,x2) & n_sign(x2) & of(x2,x3) & n_stop(x3))
exists e1 p1 x1 x2 x3 x4 x5.(n_building(x5) & n_front(x4) & n_sign(x2) & of(x2,x3) & n_stop(x3) & n_person(x1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_see(e2) & from(x2,x4) & of(x4,x5)) & Topic(e1,p1) & Actor(e1,x1) & v_can(e1))