(S (S (BASENP (DT The) (NN song)) (VP (VBZ has) (VP (VP (VBN become) (NP (NP (DT the) (NP (ADJP (ADVP (RB third) (RBS most)) (VBN downloaded)) (NN single))) (PP (IN of) (BASENP (DT the) (NN week))))) (COMMA ,) (PP (VBG following) (NP (BASENP (DT the) (NN death)) (PP (IN of) (BASENP (JJ former) (NNP United) (NNP Kingdom) (NNP Prime) (NNP Minister) (NNP Margaret) (NNP Thatcher)))))))) (PERIOD .))