( CSX ( ( operates ( ( ( a ( north-south length ) ) ( of ( railroad track ) ) ) ( that ( connects ( ( Chrisman and ) Paris ) ) ) ) ) . ) )
(ROOT (S (NP (NNP CSX)) (VP (VBZ operates) (NP (NP (DT a) (JJ north-south) (NN length)) (PP (IN of) (NP (NN railroad) (NN track))) (SBAR (WHNP (WDT that)) (S (VP (VBZ connects) (NP (NNP Chrisman) (CC and) (NNP Paris))))))) (. .)))
CSX operates a north-south length of railroad track that connects Chrisman and Paris.
(ROOT (S (NP (NP (DT A) (-LRB- -LRB-) (NN n) (-RRB- -RRB-) (NN increase)) (PP (IN in) (NP (NN length)))) (VP (VBZ happens) (PP (TO to) (NP (NN metal) (NN railroad) (NNS tracks))) (PP (IN during) (NP (NP (DT the) (NN heat)) (PP (IN of) (NP (DT a) (NN summer) (NN day)))))) (. .)))