(S (S (BASENP (NN Two) (JJ immense) (JJ intergalactic) (NNS clouds)) (VP (VBP confirm) (NP (BASENP (DT the) (NN existence)) (PP (IN of) (NP (NP (NP (BASENP (DT a) (JJ cosmic) (NN web)) (PP (IN of) (BASENP (JJ hot) (NN gas)))) (PRN (COMMA ,) (VP (VBN predicted) (PP (IN by) (BASENP (NN computer) (NNS simulations)))) (COMMA ,))) (VP (VBG containing) (NP (BASENP (NNS baryons)) (COMMA ,) (NP (BASENP (DT the) (NN material)) (VP (VP (VBG making) (PRT (RP up))) (NP (BASENP (JJ visible) (NNS objects)) (PP (IN in) (BASENP (DT the) (NNP Universe))))))))))))) (PERIOD .))