( Cells ( ( are ( ( smallest ( building blocks ) ) ( of ( our body ) ) ) ) . ) )
(ROOT (S (NP (NNS Cells)) (VP (VBP are) (NP (NP (JJS smallest) (NN building) (NNS blocks)) (PP (IN of) (NP (PRP$ our) (NN body))))) (. .)))
Cells are smallest building blocks of our body.
(ROOT (S (NP (NNS Cells)) (VP (VBP are) (NP (NP (DT the) (JJ basic) (NN building) (NNS blocks)) (PP (IN of) (NP (DT the) (JJ human) (NN body))))) (. .)))