(S (S (QT (DQL ``) (QTC (S (NP (BASENP (DT An) (NN inventory)) (PP (IN of) (NP (BASENP (PDT all) (DT the) (NNS baryons)) (PP (IN in) (NP (BASENP (NNS stars) (CC and) (NN gas)) (PP (PP (IN inside) (CC and) (IN outside)) (PP (IN of) (BASENP (NNS galaxies))))))))) (VP (VBZ accounts) (PP (IN for) (NP (BASENP (ADVP (RB just) (RB over)) (NN half)) (NP (BASENP (DT the) (NNS baryons)) (SBAR (WHNP (WDT that)) (S (VP (VBD existed) (PP (ADVP (RB shortly)) (PP (IN after) (BASENP (DT the) (NNP Big) (NNP Bang)))))))))))) (COMMA ,)) (DQR '')) (NP (BASENP (NNP Fabrizio) (NNP Nicastro)) (PP (IN of) (NP (BASENP (DT the) (NNP Harvard-Smithsonian) (NNP Center)) (PP (IN for) (BASENP (NNP Astrophysics))))))) (PERIOD .))