Handyman works on outer wall of city building.
people design the building wall.
Not all handyman does design the building wall.
exists e1 s1 x1 x2 x3 x4.(ne_nam_handyman(x1) & on(e1,x2) & of(x2,x3) & n_building(x3) & of(x3,x4) & n_city(x4) & n_wall(x2) & a_outer(s1) & Theme(s1,x2) & Actor(e1,x1) & v_work(e1))
exists e1 x1 x2 x3.(n_wall(x2) & of(x2,x3) & n_building(x3) & Theme(e1,x2) & Actor(e1,x1) & v_design(e1) & n_people(x1))