This simple fact of sewing makes it very difficult to automate the process.
( ( ( This ( simple fact ) ) ( of sewing ) ) ( ( makes ( it ( ( very difficult ) ( to ( automate ( the process ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT This) (JJ simple) (NN fact)) (PP (IN of) (NP (NN sewing)))) (VP (VBZ makes) (S (NP (PRP it)) (ADJP (RB very) (JJ difficult)) (S (VP (TO to) (VP (VB automate) (NP (DT the) (NN process))))))) (. .)))
It is quite easy to automate the process.
( It ( ( ( is ( quite easy ) ) ( to ( automate ( the process ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (ADJP (RB quite) (JJ easy)) (S (VP (TO to) (VP (VB automate) (NP (DT the) (NN process)))))) (. .)))