The Audubon Nature Centers are among the most serene and pristine places on Earth.
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(ROOT (S (NP (DT The) (NNP Audubon) (NNP Nature) (NNPS Centers)) (VP (VBP are) (PP (IN among) (NP (NP (DT the) (ADJP (RBS most) (JJ serene) (CC and) (JJ pristine)) (NNS places)) (PP (IN on) (NP (NNP Earth)))))) (. .)))
The Audubon Nature Centers are some of the most well-preserved and calm places in the world.
( ( The ( Audubon ( Nature Centers ) ) ) ( ( are ( some ( of ( ( the ( ( most ( ( well-preserved and ) calm ) ) places ) ) ( in ( the world ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Audubon) (NNP Nature) (NNPS Centers)) (VP (VBP are) (NP (NP (DT some)) (PP (IN of) (NP (NP (DT the) (ADJP (RBS most) (JJ well-preserved) (CC and) (JJ calm)) (NNS places)) (PP (IN in) (NP (DT the) (NN world))))))) (. .)))