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!7

static JTextArea ta;
static L<AIConcept> usedConcepts;
static new L<Lisp> facts;

p-substance {
  aiEnhancements();
  
  usedConcepts = findAIConcepts(
    "rplldtbwbbnlrotj kjuwvfidiwmbjsuc xzhtvnqwzuuzixci mibnjwgfxnetaxyz cdtwmxtqspigpyap kdpoqkaoypqenusd");

  facts = clParse(linesToCL([[
    "!" is a typical first word in a program.
    "Hello" is a typical first word in a letter.
    cdtwmxtqspigpyap confirms mibnjwgfxnetaxyz.
  ]]));
  
  ta = showText("");
  onChangeAndNow(ta, r {
    fS text = getText(ta);
    thread { think(text); }

  });
  requestFocus(ta);
}

sS firstWord(S s) {
  if (empty(s)) ret "";
  if (isLetterOrDigit(first(s)))
    ret takeCharsWhile(s, f isLetterOrDigit);
  else ret "" + first(s);
}

svoid think(S text) {
  time {
    S w = firstWord(text);
    S x = aGlobalID();
    /*
      w is the first word in x.
      Is x a letter (1) or a program (2)?
    */
    S riddle = quote(w) + " is the first word in " + x + ". Is " + x + " a letter (1) or a program (2)?";
    L<Lisp> localFacts = concatLists(facts,
      clParse(sentencesToCL(riddle)));
    
    pcall-short {
      int answer = solveRiddle(localFacts);
      print("Answer: " + (answer == 1 ? "letter" : answer == 2 ? "program" : "?"));
    }
  }
}

static L<S> sentencesToCL(S text) {
  ret listToCL(splitIntoSentences(text));
}
  
static L<S> linesToCL(S text) {
  ret listToCL(toLinesFullTrim(text));
}

static L<S> listToCL(L<S> l) {
  englishToConceptLanguage_concepts.set(usedConcepts);
  new L<S> out;
  print("Have " + n(l, "sentence"));
  for (S line : l) {
    S c = englishToConceptLanguage(line);
    print(line + " => " + c);
    out.add(c);
  }
  ret out;
}

static int solveRiddle(L<Lisp> facts) {
  // Find the question
  Lisp q = findHead(facts, "rplldtbwbbnlrotj");
  if (q == null) fail("No question found");
  S pivot = q.s(0);
  L<S> candidates = ll(q.s(1), q.s(2));
  new Best<Int> best;
  for i over candidates: {
    S candidate = candidates.get(i);
    new Web web;
    web.newNode(pivot, candidate);
    for (Lisp fact : facts)
      web.relation(fact);
    best.put(candidate, countConfirms(web, facts));
  }
  ret toInt(best.get(best));
}

static int countConfirms(Web web, L<Lisp> facts) {
  for (filterfacts
}

sclass Web {
  
}