(S (S (BASENP (PRP She)) (VP (VBD had) (VP (VBN begun) (S (VP (VP (VBG preparing) (PP (IN for) (BASENP (DT this) (NN journey)))) (PP (IN at) (NP (BASENP (DT the) (NN age)) (PP (IN of) (BASENP (NN thirteen)))))))))) (PERIOD .))