unfolds with such a wallop of you-are-there immediacy 
(ROOT (S (VP (VBZ unfolds) (PP (IN with) (NP (NP (PDT such) (DT a) (NN wallop)) (PP (IN of) (NP (S (NP (PRP you)) (, -) (VP (VBP are) (HYPH -) (NP (PRP$ there)))) (NN immediacy))))))))
(ROOT (S (VP (VBZ ) (PP (IN ) (NP (NP (PDT ) (DT ) (NN )) (PP (IN ) (NP (S (NP (PRP )) (, ) (VP (VBP ) (HYPH ) (NP (PRP$ )))) (NN ))))))))