, he might have been tempted to change his landmark poem to , ` do not go gentle into that good theatre . ' 
(ROOT (S (, ,) (NP (PRP he)) (VP (MD might) (VP (VB have) (VP (VBN been) (VP (VBN tempted) (S (VP (TO to) (VP (VB change) (NP (PRP$ his) (JJ landmark) (NN poem)) (PP (IN to) (, ,) (`` `) (S (VP (VB do) (RB not) (VP (VB go) (ADVP (JJ gentle)) (PP (IN into) (NP (DT that) (JJ good) (NN theatre)))))))))))))) (. .) ('' ')))
(ROOT (S (, ) (NP (PRP )) (VP (MD ) (VP (VB ) (VP (VBN ) (VP (VBN ) (S (VP (TO ) (VP (VB ) (NP (PRP$ ) (JJ ) (NN )) (PP (IN ) (, ) (`` ) (S (VP (VB ) (RB ) (VP (VB ) (ADVP (JJ )) (PP (IN ) (NP (DT ) (JJ ) (NN )))))))))))))) (. ) ('' )))