He knew that Shadow has a long memory , and that he would never forget the trick by which Chatterer had escaped , and so the only way Chatterer would ever be able to have a moment 's peace would be to leave the Green Forest for as long as Shadow the Weasel chose to stay there .
Chatterer had escaped by using a trap door.
( z1 escape :ARG0 ( z2 person :name ( z3 name :op "Chatterer" ) ) :manner ( z4 use :ARG0 z2 :ARG1 ( z5 door :instrument-of ( z6 trap ) ) ) )