Two young girls are riding red tricycles.
Two teen girls are riding bikes.
tricyles is three wheels and bikes is two wheel
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_tricycle(x2) & a_red(s2) & Theme(s2,x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_girl(x1) & a_teen(s1) & Theme(s1,x1) & card_eq_2(x1))