(S (S (BASENP (DT Two) (NNS men)) (VP (VBD were) (VP (VP (VP (VBN hanged) (BASENP (NNP Iran))) (PP (IN on) (BASENP (NNP Thursday)))) (COMMA ,) (PP (VBG following) (NP (BASENP (PRPD their) (NN conviction)) (PP (IN for) (S (VP (VP (VBG playing) (BASENP (DT a) (NN role))) (PP (IN in) (NP (NP (BASENP (DT the) (NN bombing)) (PP (IN of) (BASENP (DT a) (NNP Shiraz) (NN mosque)))) (COMMA ,) (SBAR (WHNP (WDT which)) (S (VP (VP (VBD killed) (BASENP (NN thirteen) (NNS people))) (COMMA ,) (BASENP (JJ last) (NNP April))))))))))))))) (PERIOD .))