( ( Our bodies ) ( ( depend ( on ( cells ( as ( ( the ( building blocks ) ) ( of life ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP$ Our) (NNS bodies)) (VP (VBP depend) (PP (IN on) (NP (NP (NNS cells)) (PP (IN as) (NP (NP (DT the) (NN building) (NNS blocks)) (PP (IN of) (NP (NN life)))))))) (. .)))
Our bodies depend on cells as the building blocks of life.
(ROOT (S (NP (NNS Cells)) (VP (VBP are) (NP (NP (DT the) (VBN specialized) (NN building) (NNS blocks)) (PP (IN of) (NP (PRP$ your) (NN body))))) (. .)))