!7

p-exp {
  new AIStrategy_RandomWithVariation<S> strat;
  new AIStrategy_RandomWithVariation<Recognizer> strat;
  strat.submit = f1_scoreRegexpIC(plusExamples, minusExamples);
  strat.random = curry randomID(1); // random letter between a and z
  strat.vary = func(S s) -> S { null };
  runStrategyWhileImprovement(strat);
}