i'm not exactly sure
( i ( ( 'm not ) ( exactly sure ) ) )
(ROOT (S (NP (FW i)) (VP (VBP 'm) (RB not) (ADJP (RB exactly) (JJ sure)))))
I'm not exactly sure if you're aware of your issues.
( I ( ( ( ( 'm not ) ( exactly sure ) ) ( if ( you ( 're ( aware ( of ( your issues ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP 'm) (RB not) (ADJP (RB exactly) (JJ sure)) (SBAR (IN if) (S (NP (PRP you)) (VP (VBP 're) (ADJP (JJ aware) (PP (IN of) (NP (PRP$ your) (NNS issues)))))))) (. .)))