sentence1_binary_parse: ( ( Angiosperms ( -LRB- ( ( flowering plants ) -RRB- ) ) ) ( ( were ( ( the ( original source ) ) ( of ( most ( plant medicines ) ) ) ) ) . ) )
sentence1_parse: (ROOT (S (NP (NP (NNS Angiosperms)) (PRN (-LRB- -LRB-) (NP (JJ flowering) (NNS plants)) (-RRB- -RRB-))) (VP (VBD were) (NP (NP (DT the) (JJ original) (NN source)) (PP (IN of) (NP (JJS most) (NN plant) (NNS medicines))))) (. .)))
sentence1: Angiosperms (flowering plants) were the original source of most plant medicines.
sentence2_parse: (ROOT (S (NP (NNS Angiosperms)) (VP (VBP are) (NP (NP (DT the) (ADJP (RBS most) (JJ successful)) (NN phylum)) (PP (IN of) (NP (NNS plants))))) (. .)))
sentence2: Angiosperms are the most successful phylum of plants.