static L<S> ai_speculate_functions = ll(
  f ai_spec_webIsTriple,
  f ai_spec_parseIf,
  f ai_spec_parseAnd,
  f ai_spec_tripelize,
  f ai_spec_parseArrowTriple,
  f ai_spec_webContents,
  f ai_spec_addQuestionsToChatLine,
  f ai_spec_addQuestionsToAdjective,
  f ai_spec_containsThePhrase,
  f ai_spec_parseIf,
  f ai_spec_possiblyIs,
  f ai_spec_isAQuestion,
  f ai_spec_substWebs,
  f ai_spec_apostrophS,
  f ai_spec_allWords,
  f ai_spec_numbered,
  f ai_spec_howMany,
  f ai_spec_doYouThink,
  f ai_spec_unquote,
  f ai_spec_checkFact,
  f ai_spec_switcheroo,
  f ai_spec_groupingPrefix,
  f ai_spec_moveToMiddle,
  f ai_spec_compareNumbers,
  f ai_spec_compareNumbers_triple,
  f ai_spec_answerYesNoTriple,
  f ai_spec_moveToMiddle_triple,
  f ai_spec_searchForAnswer
);

static S ai_speculate(fS word) {
  if (empty(word)) ret word;
  ai_withMaker('ai_speculate, r {
    ai_blob(word, false);
    if (isAdjective(word)) ai_postTriple(word, "is", "an adjective");
    for (S f : ai_speculate_functions)
      ai_callSpeculationFunction(f, word);
  });
  ret word;
}