A young child on a three-wheeled scooter.
A child is on a scooter.
The child is on a three-wheeled scooter.
exists s1 s2 x1 x2.(a_topic(x1) & on(x1,x2) & n_scooter(x2) & a_three-wheeled(s2) & Theme(s2,x2) & n_child(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_scooter(x2)) & n_child(x1))