A woman riding on a children's toy.
Woman rides on child's toy.
Woman riding is a paraphrase of woman rides.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_toy(x4) & of(x4,x3) & n_child(x3) & Actor(e1,x2) & v_ride(e1) & (x1 = x2) & n_woman(x1))
exists e1 x1 x2 x3.(ne_nam_woman(x1) & on(e1,x3) & n_toy(x3) & of(x3,x2) & n_child(x2) & Actor(e1,x1) & v_ride(e1))