, ' i feel better already . 
(ROOT (S (, ,) (`` ') (NP (PRP i)) (VP (VBP feel) (ADVP (JJR better)) (ADVP (RB already))) (. .)))
(ROOT (S (, ) (`` ) (NP (PRP )) (VP (VBP ) (ADVP (JJR )) (ADVP (RB ))) (. )))