A man works on installing a floor.
The man is painting the wall.
The man could either be painting the wall or installing the floor.
exists e1 e2 x1 x2 x3.(on(e1,e2) & Theme(e2,x3) & Actor(e2,x2) & v_install(e2) & n_floor(x3) & Actor(e1,x1) & v_work(e1) & n_man(x1))
exists e1 x1 x2.(n_wall(x2) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_paint(e1))