(S (S (S (NP (BASENP (DT The) (NN road)) (SBAR (WHNP (WDT that)) (S (VP (VBD was) (VP (VBN designed) (PP (IN as) (NP (BASENP (DT an) (NN evacuation) (NN route)) (PP (IN from) (NP (BASENP (DT that) (NN sector)) (PP (IN of) (BASENP (DT the) (NN volcano)))))))))))) (VP (VBD was) (VP (VBN blocked) (ADVP (RB completely))))) (CC and) (S (NP (BASENP (DT the) (NNS inhabitants)) (PP (IN of) (BASENP (DT the) (NN area)))) (VP (VBD had) (S (VP (TO to) (VP (VB be) (VP (VBN evacuated) (PP (IN by) (BASENP (NNS helicopters)))))))))) (PERIOD .))