(S (S (S (BASENP (DT The) (NNS teenagers)) (VP (VBP claim) (SBAR (S (BASENP (PRP they)) (VP (VBD were) (VP (VBN attacked) (PP (IN by) (NP (BASENP (DT a) (NN gang)) (PP (IN of) (BASENP (JJ Asian) (NNS men))))))))))) (CONJP (COMMA ,) (CC and)) (S (BASENP (DT the) (NN police)) (VP (VBP are) (VP (VP (VBG investigating) (BASENP (PRP it))) (PP (IN as) (S (VP (VBG being) (BASENP (DT a) (JJ racially-motivated) (NN crime))))))))) (PERIOD .))