three men wearing green uniforms are working on a road canal.
The men are wearing orange uniforms.
The men can't be wearing green uniforms if they are wearing orange uniforms.
exists e1 e2 s1 x1 x2 x3 x4 x5.(on(e2,x4) & n_canal(x4) & of(x4,x5) & n_road(x5) & Actor(e2,x1) & v_work(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_uniform(x3) & a_green(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1) & card_eq_3(x1))
exists e1 x1 x2 x3.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_uniform(x2) & of(x2,x3) & n_orange(x3))