A child plays with a toy on a playground.
a child plays with a robot toy
The child could be playing with any kind of toy, not just a robot toy.
exists e1 x1 x2 x3.(with(e1,x2) & on(x2,x3) & n_playground(x3) & n_toy(x2) & Actor(e1,x1) & v_play(e1) & n_child(x1))
exists e1 x1 x2 x3.(with(e1,x2) & n_toy(x2) & of(x2,x3) & n_robot(x3) & Actor(e1,x1) & v_play(e1) & n_child(x1))