(S (S (PP (IN At) (BASENP (NN first))) (S (BASENP (PRP it)) (VP (VBD was) (VP (VP (VP (VBN observed) (PP (IN by) (BASENP (DT that) (NN team)))) (PP (IN on) (NP (BASENP (NNP August) (NN 25)) (COMMA ,) (NN 2008)))) (PP (IN at) (NP (BASENP (NN 22:47)) (PRN (LRB -LRB-) (BASENP (NN UTC)) (RRB -RRB-)))))))) (PERIOD .))