(S (S (S (BASENP (NNP Matos)) (VP (VBD was) (VP (VP (VBG competing) (PP (IN in) (BASENP (DT the) (JJ bronze) (NN medal) (NN match)))) (PP (IN against) (NP (BASENP (NNP Arman) (NNP Chilmanov)) (PP (IN of) (BASENP (NNP Kazakhstan)))))))) (SBAR (WHADVP (WRB when)) (S (BASENP (PRP he)) (VP (VBD sustained) (BASENP (DT an) (NN injury)))))) (PERIOD .))