(S (S (BASENP (DT The) (NNS denials)) (VP (VBD came) (SBAR (IN as) (S (BASENP (NNP The) (NNP Observer)) (VP (VBD ran) (NP (BASENP (DT a) (NN report)) (VP (VBG saying) (SBAR (IN that) (S (NP (BASENP (NNP US) (NNS personnel)) (VP (VBN involved) (PP (IN in) (S (VP (VP (VBG interrogating) (BASENP (NNS insurgents))) (PP (IN in) (BASENP (NNP Iraq)))))))) (VP (VBP are) (PP (IN under) (NP (BASENP (QT (DQL ``) (JJ huge) (DQR '')) (NN pressure)) (S (VP (TO to) (VP (VB find) (NP (BASENP (NN evidence)) (PP (IN against) (BASENP (NNP Iran))))))))))))))))))) (PERIOD .))