( ( The cell ) ( ( is ( ( the ( basic ( building block ) ) ) ( of life ) ) ) . ) )
(ROOT (S (NP (DT The) (NN cell)) (VP (VBZ is) (NP (NP (DT the) (JJ basic) (NN building) (NN block)) (PP (IN of) (NP (NN life))))) (. .)))
The cell is the basic building block 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))))) (. .)))