rules {
  "LONG" {
    train {
      max_trains = 200;
      max_usages = 20;
      max_iterations = 25;
      learning_rate = 0.01,
    }
    symbol_spam = "NEURAL_SPAM_LONG";
    symbol_ham = "NEURAL_HAM_LONG";
    ann_expire = 45d;
  }
  "SHORT" {
    train {
      max_trains = 100;
      max_usages = 10;
      max_iterations = 15;
      learning_rate = 0.01,
    }
    symbol_spam = "NEURAL_SPAM_SHORT";
    symbol_ham = "NEURAL_HAM_SHORT";
    ann_expire = 7d;
  }
}
