!7

p-exp {
  S input = "hey, bot, what time is it yo bot please?";

  final Set<S> set = mechSetCI("Appellations");
  
  pnl(repeatedInputModificationsIterator(input, func(S s) -> L<ItIt<S>> {
    print("Analyzing: " + s);
    ret ll(ai_dropLeadingPhrases(s, set), ai_dropTrailingPhrases(s, set));
  }));
}