A youngster plays with a toy.
toys played some person
Plays with toys can be inferred.
exists e1 x1 x2.(with(e1,x2) & n_toy(x2) & Actor(e1,x1) & v_play(e1) & n_youngster(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_person(x2) & n_toy(x1))