There is a toddler playing on a playground.
A toddler is on the playground.
Playground is for playing.
exists p1 x1 x2 x3 x4.((x1 = x2) & on(x2,x4) & n_playground(x4) & n_play(x2) & of(x2,x3) & n_toddler(x3))
exists p1 x1 x2.(n_playground(x2) & on(x1,x2) & n_toddler(x1))