The Tunnel of Eupalinos can be explored but it's not for the claustrophobic.
( ( ( ( ( ( The Tunnel ) ( of Eupalinos ) ) ( can ( be explored ) ) ) but ) ( it ( ( 's not ) ( for ( the claustrophobic ) ) ) ) ) . )
(ROOT (S (S (NP (NP (DT The) (NN Tunnel)) (PP (IN of) (NP (NNP Eupalinos)))) (VP (MD can) (VP (VB be) (VP (VBN explored))))) (CC but) (S (NP (PRP it)) (VP (VBZ 's) (RB not) (PP (IN for) (NP (DT the) (NN claustrophobic))))) (. .)))
Claustrophobics will not enjoy the tunnel of Eupalinos.
( Claustrophobics ( ( ( will not ) ( enjoy ( ( the tunnel ) ( of Eupalinos ) ) ) ) . ) )
(ROOT (S (NP (NNS Claustrophobics)) (VP (MD will) (RB not) (VP (VB enjoy) (NP (NP (DT the) (NN tunnel)) (PP (IN of) (NP (NNP Eupalinos)))))) (. .)))