I look forward to hearing from you soon.
( I ( ( ( ( look forward ) ( to ( hearing ( from you ) ) ) ) soon ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP look) (ADVP (RB forward)) (PP (TO to) (NP (NP (NN hearing)) (PP (IN from) (NP (PRP you))))) (ADVP (RB soon))) (. .)))
Please contact me soon, I look forward to it.
( ( Please ( ( contact me ) soon ) ) ( , ( I ( ( ( look forward ) ( to it ) ) . ) ) ) )
(ROOT (S (S (INTJ (VB Please)) (VP (VB contact) (NP (PRP me)) (ADVP (RB soon)))) (, ,) (NP (PRP I)) (VP (VBP look) (ADVP (RB forward)) (PP (TO to) (NP (PRP it)))) (. .)))