static S randomNonTechnicalConcept() {
  S b = "";
  for j to 1000: {
    b = randomAIConcept();
    S s = conceptToName(b);
    if (!cic(s, "javax") && !startsWith(s, "->")
      && !containsXYZVariables(s)) break;
  }
  ret b;
}

static Pair<S> randomDifferentConcepts() {
  S a = randomNonTechnicalConcept();
  for i to 10: {
    S b = randomNonTechnicalConcept();
    if (neq(a, b)) ret pair(a, b);
  }
  null;
}

sS makeQuestion() {
  Pair<S> p = randomDifferentConcepts();
  if (p == null) null;
  S adj = randomAdjective();
  ret joinWithSpaces("psrgtxwtfzmfzhsx", p.a, adj, p.b); // is X more Y than Z?
}

sS randomAdjective() {
  ret oneOf(splitAtSpace("dinrgdnbbyfqaogm vyegxexdfpmewhlh bdctgxvpjiavress lrbdjovphoezwgfk ffrmkrbgokesaihw sxewqdexaamizwhd rsabdjeujjzirvzf");
}