Three kids gather around a horse.
Two kids are riding a horse.
Three is more than two, and to gather around a horse is different than riding a horse.
exists e1 x1 x2.(around(e1,x2) & n_horse(x2) & Actor(e1,x1) & v_gather(e1) & n_kid(x1) & card_eq_3(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_horse(x2) & n_kid(x1) & card_eq_2(x1))