sentence1_binary_parse: ( Petals ( ( are collectively ) ( called ( the corolla ) ) ) )
sentence1_parse: (ROOT (S (NP (NNS Petals)) (VP (VBP are) (ADVP (RB collectively)) (VP (VBN called) (NP (DT the) (NN corolla))))))
sentence1: Petals are collectively called the corolla
sentence2_parse: (ROOT (S (NP (NP (DT All)) (PP (IN of) (NP (DT the) (NNS petals)))) (ADVP (RB together)) (VP (VBP are) (VP (VBN called) (NP (DT a) (NN corolla)))) (. .)))
sentence2: All of the petals together are called a corolla.