(S (S (BASENP (DT These) (NNS deaths)) (VP (VBP come) (PP (IN in) (NP (BASENP (NN addition)) (PP (TO to) (NP (BASENP (NN seven) (NNS people)) (VP (VP (VBN killed)) (SBAR (IN since) (S (BASENP (DT the) (NNS protests)) (VP (VBD began) (PP (IN in) (BASENP (NNP February))))))))))))) (PERIOD .))