(S (S (BASENP (NNP Tim) (NNP Cook)) (VP (VP (VBD was) (VP (ADVP (RB personally)) (VP (VP (VBN recommended) (PP (IN by) (BASENP (NNP Jobs)))) (S (VP (TO to) (VP (VP (VB take) (PRT (RP over))) (PP (IN as) (BASENP (NNP CEO))))))))) (CC and) (VP (VBZ has) (VP (VBN been) (VP (VP (VBG serving) (PP (IN as) (BASENP (JJ interim) (NNP CEO)))) (PP (IN since) (NP (BASENP (DT the) (NN beginning)) (PP (IN of) (NP (BASENP (NNP Jobs) (POS ')) (BASENP (JJ medical) (NN leave))))))))))) (PERIOD .))