!7

p-exp {
  S input = "hey, bot, what time is it yo bot?";
  
  Map<S, O> wordTree = listToReversedWordTree(mL("Appellations"));
  
  L<S> tok = javaTokNPunctuation(input);
  L<Int> indices = aOfPairs(matchEndUsingWordTree_all(tok, wordTree));
  for (int i : indices)
    print(joinSubList(tok, 0, i));
}