A toddler boy rides the playground horse.
A kid is at a playground.
Both sentence are talking about kid who is also a toddler and playground
exists e1 x1 x2 x3 x4.(n_horse(x3) & of(x3,x4) & n_playground(x4) & Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_boy(x1) & of(x1,x2) & n_toddler(x2))
exists p1 x1.(exists x2.(at(x1,x2) & n_playground(x2)) & n_kid(x1))