Three girls in black and white dresses are walking downtown.
The boys are running.
There are possibly girls wearing black and white walking downtown which would not be boys running.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_walk(e1) & n_downtown(x3) & in(x1,x2) & n_dress(x2) & a_white(s2) & Theme(s2,x2) & a_black(s1) & Theme(s1,x2) & n_girl(x1) & card_eq_3(x1))
exists e1 x1.(n_boy(x1) & Actor(e1,x1) & v_run(e1))