(S (S (PP (IN At) (BASENP (JJ present))) (COMMA ,) (S (NP (EX there)) (VP (VBP are) (NP (BASENP (JJ unconfirmed) (NNS reports)) (SBAR (IN that) (S (BASENP (NNP Mir) (NNP Hossein) (NNP Mousavi)) (VP (MD may) (VP (VB have) (VP (VBN been) (VP (VBN detained) (PP (IN by) (QT (DQL ``) (NP (BASENP (NNS members)) (PP (IN of) (BASENP (DT the) (NN intelligence) (NN community)))) (DQR ''))))))))))))) (PERIOD .))