delegation_inheritance.rb

class TrainingTeam
  def train_new_fellow(name)
    # Trains all new fellow
  end

  def completed_initial_training
    # Returns fellows that has completed training
  end
end

class Director < TrainingTeam
  def train_new_fellow(name)
    super(fellow)
  end
end

director_of_training = Director.new
director_of_training.train_new_fellow("Aboki") # => trains aboki for six months
director_of_training.completed_initial_training # => returns fellows that have completed the training