sS ai_superSimpleVerbCorrector(S s) {
  LS tok = javaTok/*NPunctuation*/(s);
  for (int i = 1; i < l(tok)-2; i += 2)
    if (mechCISetContains("Plural nouns", tok.get(i)))
      tokReplaceIfNotNull(tok, i+2, mechCIMapGet("Singular verb => Plural", tok.get(i+2)));
    else if (mechCISetContains("First person nouns", tok.get(i)))
      tokReplaceIfNotNull(tok, i+2, verbFromThirdPerson(), tok.get(i+2)));
  ret join(tok);
}