BEGIN CMGRATAV
IF ~InParty("Aerie")~ THEN BEGIN b1
  SAY @100
  IF ~~ THEN EXTERN BAERIE begin_mychain
END
CHAIN2 BAERIE begin_mychain
  @101
  ==
  @102
  ==
  @103
  ==
  @104
  ==
  @105
  ==
  @106
  ==
  @107
END CMGRATAV b2
IF ~~ THEN BEGIN b2
  SAY @108
  IF ~~ THEN EXIT
END