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!7

p-exp {
  new AIStrategy_RandomWithVariation<S> strat;
  LS plusExamples = ll("eval this", "eval that");
  LS minusExamples = ll("do this", "do that", "avoid that");
  strat.submit = f1_scoreRegexpIC(plusExamples, minusExamples);
  strat.random = func -> S { randomID(1) }; // random letter between a and z
  strat.vary = func(S s) -> S { null };
  runStrategyWhileImprovement(strat);
}