(S (S (S (BASENP (PRP She)) (VP (VBD was) (ADJP (JJ able) (S (VP (TO to) (VP (VP (VB make) (BASENP (PRPD her) (NN escape))) (PP (ADVP (RB just)) (PP (IN before) (S (VP (VBG being) (VP (VBN put) (PP (IN into) (BASENP (DT a) (NN trailer)))))))))))))) (COMMA ,) (SBAR (IN while) (S (BASENP (DT the) (NN keeper)) (VP (VP (VBD was) (RB not)) (VP (VBG paying) (BASENP (NN attention))))))) (PERIOD .))