(S (S (BASENP (QP (RB About) (NN 3,000)) (JJ HIV-negative) (NNS people)) (VP (MD will) (VP (VB be) (VP (VBN administered) (NP (BASENP (DT the) (NN test) (NN vaccine) (NN MRKAd5) (NN HIV-1)) (VP (VBN created) (PP (IN by) (BASENP (DT the) (JJ pharmaceutical) (NN company) (NNP Merck))))))))) (PERIOD .))