(S (S (BASENP (NNP Oyler)) (VP (VBD was) (VP (VP (VP (VBN convicted) (PP (IN of) (S (VP (VBG murdering) (BASENP (PRP them)))))) (PP (IN on) (BASENP (NNP Friday) (NNP March) (NN 6)))) (PP (IN after) (NP (BASENP (DT a) (JJ six-week) (NN trial)) (PP (IN in) (BASENP (NNP Riverside) (NNP California)))))))) (PERIOD .))