It is difficult to make any sensible connection between the lives of authors and their creations.
( It ( ( is ( difficult ( to ( make ( ( any ( sensible connection ) ) ( between ( ( the lives ) ( of ( ( authors and ) ( their creations ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (ADJP (JJ difficult) (S (VP (TO to) (VP (VB make) (NP (NP (DT any) (JJ sensible) (NN connection)) (PP (IN between) (NP (NP (DT the) (NNS lives)) (PP (IN of) (NP (NP (NNS authors)) (CC and) (NP (PRP$ their) (NNS creations)))))))))))) (. .)))
It is very easy to connect the author's life to their writing. 
( It ( ( ( is ( very easy ) ) ( to ( ( connect ( ( the ( author 's ) ) life ) ) ( to ( their writing ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (ADJP (RB very) (JJ easy)) (S (VP (TO to) (VP (VB connect) (NP (NP (DT the) (NN author) (POS 's)) (NN life)) (PP (TO to) (NP (PRP$ their) (NN writing))))))) (. .)))