(S (S (PP (JJ Due) (PP (TO to) (NP (BASENP (DT an) (JJ operational) (NN overhaul)) (PP (IN by) (BASENP (NNP Cook)))))) (COMMA ,) (S (BASENP (PRP he)) (VP (VBZ is) (VP (VBN credited) (PP (IN with) (NP (BASENP (DT the) (NN success)) (PP (IN of) (NP (DT the) (NP (BASENP (NNP iPad)) (CC and) (BASENP (NNP MacBook) (NNP Air))))))))))) (PERIOD .))