gistfile1.rb

class GradingWrapper
  def initialize(data)
    @data = data
  end

  def description
    @data['description']
  end

  def scale
   @data['scale']
  end
end

class TripWrapper
  def initialize(data)
    @data = data
  end

  def name
    @data['name']
  end

  def grading
   GradingWrapper.new(@data['grading'])
  end
end