A young person is enjoying a ride on a go-cart of sorts.
The person is riding.
A person riding is enjoying a ride.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & on(x2,x3) & of(x3,x4) & n_sort(x4) & n_go-cart(x3) & n_ride(x2) & n_person(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1.(n_person(x1) & Actor(e1,x1) & v_ride(e1))