(S (S (S (NP (BASENP (NNS Sales)) (PP (IN of) (NP (BASENP (NNS smartphones)) (VP (VBG running) (BASENP (DT the) (NNP Android) (NN operating) (NN system)))))) (VP (VP (VBP have) (VP (VBN tripled))) (PP (IN since) (NP (BASENP (DT the) (NN beginning)) (PP (IN of) (BASENP (NN 2010))))))) (COMMA ,) (PP (VBG according) (PP (TO to) (NP (BASENP (NNS figures)) (VP (VBN released) (BASENP (NN yesterday))))))) (PERIOD .))