( ( ( ( The ( plant cells ) ) ( of roses ) ) ( contain ( ( a lot ) ( of water ) ) ) ) ( , ( water ( ( ( freezes and ) expands ) . ) ) ) )
(ROOT (S (S (NP (NP (DT The) (NN plant) (NNS cells)) (PP (IN of) (NP (NNS roses)))) (VP (VBP contain) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (NN water)))))) (, ,) (NP (NN water)) (VP (VP (VBZ freezes)) (CC and) (VP (VBZ expands))) (. .)))
The plant cells of roses contain a lot of water, water freezes and expands.
(ROOT (S (NP (RBS Most) (JJ growing) (NN plant) (NNS cells)) (VP (VBP expand) (PP (IN through) (NP (NN water) (NN uptake)))) (. .)))