delegation_method_missing.rb

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

  def training_period(fellow_name)
    # Returns the period the fellow has been in training
  end
end

class Director
  def initialize
    @traing_team = TrainingTeam.new
  end
  def method_missing(method, *args)
    if /train.*/ ~= method
      @training_team.send(method, *args)
    else
      super
    end
  end
end

director_of_training = Director.new
director_of_training.train_new_fellow("Aboki") # => trains aboki for six months
director_of_training.training_period("Aboki") # => returns the period `Aboki` has been in training