Two kids playing basketball.
kids are playing baseball
Baseball is different sport from basketball.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_basketball(x3) & (x1 = x2) & n_kid(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_baseball(x2) & n_kid(x1))