Two young girls are riding red tricycles.
Little girls are riding their first tricycles through the park.
Bicycles are not only ridden in the park and not all young girls are little.
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 s2 x1 x2 x3.(n_park(x3) & through(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_tricycle(x2) & a_first(s2) & Theme(s2,x2) & of(x2,x1) & n_thing(x1) & n_girl(x1) & a_little(s1) & Theme(s1,x1))