(S (S (BASENP (NNS Defendants)) (VP (VBP are) (VP (VBN accused) (PP (IN of) (NP (BASENP (NN copyright) (NNS violations)) (PP (IN over) (NP (NP (CC both) (NP (BASENP (DT the) (NNP Marvel) (NN superhero) (NNS characters)) (CC and) (BASENP (JJ intellectual) (NNS properties)))) (VP (VBN created) (PP (IN by) (BASENP (NNP Stan) (NNP Lee))))))))))) (PERIOD .))