Two workers in orange shirts are emptying a trash container.
Two people are wearing black shirts
Orange is a color, while black is the absence of color.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x4) & Actor(e1,x1) & v_empty(e1) & n_container(x4) & of(x4,x5) & n_trash(x5) & in(x1,x2) & n_shirt(x2) & of(x2,x3) & n_orange(x3) & n_worker(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_people(x1) & card_eq_2(x1))