Some children in black robes and black and red hats.
Children playing on street.
children in black robes is contradictory to playing on the street
exists s1 s2 s3 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & n_hat(x4) & a_red(s3) & Theme(s3,x4) & a_black(s2) & Theme(s2,x4) & n_robe(x3) & subset_of(x4,x2) & subset_of(x3,x2) & a_black(s1) & Theme(s1,x2) & n_child(x1))
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_street(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1))