(S (S (PP (IN During) (BASENP (PRPD their) (JJ week-long) (NN preparation))) (COMMA ,) (S (BASENP (PRP they)) (VP (VP (VBD worked) (PRT (RP on))) (NP (BASENP (NN strength) (CC and) (NN fitness)) (NN training))))) (PERIOD .))