a bit like getting all excited about a chocolate eclair and then biting into it and finding the filling missing 
(ROOT (PP (NP (DT a) (NN bit)) (IN like) (S (VP (VP (VBG getting) (ADJP (RB all) (JJ excited) (PP (IN about) (NP (DT a) (NN chocolate) (NN eclair))))) (CC and) (ADVP (RB then)) (VP (VBG biting) (PP (IN into) (NP (PRP it)))) (CC and) (VP (VBG finding) (S (NP (DT the) (NN filling)) (ADJP (NN missing))))))))
(ROOT (PP (NP (DT ) (NN )) (IN ) (S (VP (VP (VBG ) (ADJP (RB ) (JJ ) (PP (IN ) (NP (DT ) (NN ) (NN ))))) (CC ) (ADVP (RB )) (VP (VBG ) (PP (IN ) (NP (PRP )))) (CC ) (VP (VBG ) (S (NP (DT ) (NN )) (ADJP (NN ))))))))