He needs to keep his finger on the pulse to succeed during the short tourist season.
( He ( ( needs ( to ( ( keep ( his finger ) ) ( on ( the ( pulse ( to ( succeed ( during ( the ( short ( tourist season ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBZ needs) (S (VP (TO to) (VP (VB keep) (NP (PRP$ his) (NN finger)) (PP (IN on) (NP (DT the) (NN pulse) (S (VP (TO to) (VP (VB succeed) (PP (IN during) (NP (DT the) (JJ short) (NN tourist) (NN season)))))))))))) (. .)))
The tourism season is so long that he will be successful eventually.
( ( The ( tourism season ) ) ( ( ( is ( so long ) ) ( that ( he ( will ( ( be successful ) eventually ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN tourism) (NN season)) (VP (VBZ is) (ADJP (RB so) (JJ long)) (SBAR (IN that) (S (NP (PRP he)) (VP (MD will) (VP (VB be) (ADJP (JJ successful)) (ADVP (RB eventually))))))) (. .)))