you know it's it's not easy to do but
( you ( know ( it ( 's ( it ( ( 's not ) ( easy ( to ( do but ) ) ) ) ) ) ) ) )
(ROOT (S (NP (PRP you)) (VP (VBP know) (SBAR (S (NP (PRP it)) (VP (VBZ 's) (SBAR (S (NP (PRP it)) (VP (VBZ 's) (RB not) (ADJP (JJ easy) (S (VP (TO to) (VP (VB do) (ADVP (CC but)))))))))))))))
You know it's very easy.
( You ( ( know ( it ( 's ( very easy ) ) ) ) . ) )
(ROOT (S (NP (PRP You)) (VP (VBP know) (SBAR (S (NP (PRP it)) (VP (VBZ 's) (ADJP (RB very) (JJ easy)))))) (. .)))