A man in a blue work uniform is working on a blue bus on a lift.
The man is in black
The black contradicts the blue.
exists e1 s1 s2 x1 x2 x3 x4 x5.(on(e1,x4) & on(x4,x5) & n_lift(x5) & n_bus(x4) & a_blue(s2) & Theme(s2,x4) & Actor(e1,x1) & v_work(e1) & in(x1,x2) & n_uniform(x2) & of(x2,x3) & n_work(x3) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists s1 x2.(Theme(x1,s1) & Theme(s1,x2) & a_black(s1)))