( ( Polytene chromosomes ) ( ( Pongid ( Group ( of ( primates ( ( to which ) ( ( ( the ( great apes ) ) ( -LRB- ( ( ( e.g. , ) ( chimpanzee ( , ( gorilla ( , orangutan ) ) ) ) ) -RRB- ) ) ) belong ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Polytene) (NNS chromosomes)) (VP (VBD Pongid) (NP (NP (NNP Group)) (PP (IN of) (NP (NP (NNS primates)) (SBAR (WHPP (TO to) (WHNP (WDT which))) (S (NP (NP (DT the) (JJ great) (NNS apes)) (PRN (-LRB- -LRB-) (NP (NNP e.g.)) (, ,) (NP (NN chimpanzee) (, ,) (NN gorilla) (, ,) (NN orangutan)) (-RRB- -RRB-))) (VP (VBP belong)))))))) (. .)))
Polytene chromosomes Pongid Group of primates to which the great apes (e.g., chimpanzee, gorilla, orangutan) belong.
(ROOT (S (NP (DT A) (-LRB- -LRB-) (NN n) (-RRB- -RRB-) (NN orangutan)) (ADVP (RB generally)) (VP (VBZ lives) (ADVP (RB alone))) (. .)))