(S (S (NP (BASENP (DT Another) (NN way)) (SBAR (S (VP (TO to) (VP (VB look) (PP (IN at) (NP (BASENP (DT the) (NN effect)) (PP (IN of) (BASENP (NN smoking)))))))))) (VP (VBZ is) (S (VP (TO to) (VP (VB measure) (NP (NP (BASENP (DT the) (JJ average) (NN reduction)) (PP (IN in) (BASENP (NN life) (NN expectancy)))) (PP (IN among) (BASENP (NNS smokers))))))))) (PERIOD .))