sentence1_binary_parse: ( ( Lyme disease ) ( ( is ( caused ( by ( ( ( Borrelia burgdorferi ) , ) ( ( a ( corkscrew-shaped bacterium ) ) ( of ( the ( spirochete group ) ) ) ) ) ) ) ) . ) )
sentence1_parse: (ROOT (S (NP (JJ Lyme) (NN disease)) (VP (VBZ is) (VP (VBN caused) (PP (IN by) (NP (NP (NNP Borrelia) (NNP burgdorferi)) (, ,) (NP (NP (DT a) (JJ corkscrew-shaped) (NN bacterium)) (PP (IN of) (NP (DT the) (JJ spirochete) (NN group)))))))) (. .)))
sentence1: Lyme disease is caused by Borrelia burgdorferi, a corkscrew-shaped bacterium of the spirochete group.
sentence2_parse: (ROOT (S (NP (JJ Lyme) (NN disease)) (VP (VBZ is) (VP (VBN caused) (PP (IN by) (NP (NNS bacteria))))) (. .)))
sentence2: Lyme disease is caused by bacteria.