(S (S (NP (BASENP (NNP Al-Zarqawi)) (PRN (COMMA ,) (VP (VBN known) (PP (IN for) (NP (NP (BASENP (VBG videotaped) (NNS beheadings)) (COMMA ,) (NP (BASENP (NN suicide) (NN bombing) (NNS campaigns)) (PP (IN against) (NP (BASENP (NN coalition) (NNS forces)) (CC and) (BASENP (NNS civilians)))))) (CC and) (NP (BASENP (RB reportedly) (DT some) (NNS attacks)) (PP (IN on) (NP (BASENP (NN oil) (NN infrastructure)) (PP (IN inside) (BASENP (NNP Iraq))))))))) (COMMA ,))) (VP (VBD had) (VP (VBN claimed) (NP (BASENP (NN responsibility)) (PP (IN for) (S (VP (VBG bombing) (NP (BASENP (NN three) (NNS hotels)) (PP (IN in) (BASENP (NNP Amman) (COMMA ,) (NNP Jordan))))))))))) (PERIOD .))