(S (S (PP (VBG According) (PP (TO to) (BASENP (JJ Iranian) (NN human) (NNS rights) (NNS activists)))) (COMMA ,) (S (NP (QP (RB over) (NN 4,000)) (NP (BASENP (JJ gay) (NNS men)) (CC and) (BASENP (NNS lesbians)))) (VP (VBP have) (VP (VBN been) (VP (VBN executed) (PP (IN since) (NP (BASENP (DT the) (NNP Iranian) (NNP Revolution)) (PP (IN of) (BASENP (NN 1979)))))))))) (PERIOD .))