[S] ||| [NP1] [VP] ||| Active=1
[S] ||| [NP2] [VPSV] by [NP1] ||| Passive=1
[VP] ||| [V] [NP2]
[V] ||| ate
[VPSV] ||| was eaten
[NP1] ||| John
[NP2] ||| broccoli
[NP2] ||| the broccoli ||| Definite=1