(UCP (UCP (S (BASENP (NNP Safarov)) (VP (VP (VP (VBD killed) (BASENP (NNP Margaryan))) (PP (IN in) (BASENP (PRPD his) (NN sleep)))) (PP (IN with) (BASENP (DT an) (NN axe))))) (COLON ;) (NP (BASENP (DT the) (NN attack)) (VP (ADVP (RB allegedly)) (VP (VBG stemming) (PP (IN from) (NP (BASENP (DT a) (NN desire)) (S (VP (TO to) (VP (VB avenge) (NP (BASENP (NNPS Azeris)) (VP (VP (VBN killed) (PP (IN during) (BASENP (DT the) (NNP Nagorno-Karabakh) (NNP War)))) (CC and) (VP (VBG being) (VP (VBN mocked) (PP (IN by) (NP (BASENP (NNP Margaryan)) (CC and) (BASENP (DT another) (NNP Armenian))))))))))))))))) (PERIOD .))