One of our volunteers will be contacting you soon.
( ( One ( of ( our volunteers ) ) ) ( ( will ( be ( ( contacting you ) soon ) ) ) . ) )
(ROOT (S (NP (NP (CD One)) (PP (IN of) (NP (PRP$ our) (NNS volunteers)))) (VP (MD will) (VP (VB be) (VP (VBG contacting) (NP (PRP you)) (ADVP (RB soon))))) (. .)))
One of our volunteers will be contacting you shortly after you submit your information. 
( ( One ( of ( our volunteers ) ) ) ( ( will ( be ( ( contacting you ) ( shortly ( after ( you ( submit ( your information ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (CD One)) (PP (IN of) (NP (PRP$ our) (NNS volunteers)))) (VP (MD will) (VP (VB be) (VP (VBG contacting) (NP (PRP you)) (SBAR (ADVP (RB shortly)) (IN after) (S (NP (PRP you)) (VP (VBP submit) (NP (PRP$ your) (NN information)))))))) (. .)))