( ( ( ( ( ( ( United ( States ( Dep ' ) ) ) t ) ( of ( the ( Air Force ) ) ) ) , ) ( ( ( Hanson AFB ) , ) Mass. ) ) , ) ( ( Case No ) . ) )
(ROOT (S (NP (NP (NP (NP (NNP United) (NNPS States) (NNP Dep) (POS ')) (NN t)) (PP (IN of) (NP (DT the) (NNP Air) (NNP Force)))) (, ,) (NP (NP (NNP Hanson) (NNP AFB)) (, ,) (NP (NNP Mass.))) (, ,)) (VP (VBD Case) (INTJ (UH No))) (. .)))
United States Dep't of the Air Force, Hanson AFB, Mass., Case No.
(ROOT (S (NP (NP (DT The) (JJS best) (NN explanation)) (PP (IN for) (SBAR (WHADVP (WRB how)) (S (NP (NN air) (NNS masses)) (VP (VBP move) (PP (IN across) (NP (DT the) (VBN united) (NNS states)))))))) (VP (VBZ is) (SBAR (IN that) (S (NP (DT the) (VBG prevailing) (NNS westerlies)) (VP (VP (VBP move) (NP (NN air) (NNS masses)) (PP (IN from) (NP (NN west))) (PP (TO to) (ADJP (JJ east))) (PP (IN across) (NP (DT the) (VBN united) (NNS states)))) (CC but) (VP (MD may) (VP (VB be) (VP (VBN deflected) (PP (IN by) (NP (DT the) (NN jet) (NN stream)))))))))) (. .)))