How to make caipirinha

how_to.rb

def name_of_the_drink ingredients
  case ingredients
  when 'cachaca + lime + ice + sugar'
    return 'Caipirinha'
  when 'voda + lime + ice + sugar'
    return 'Caipiroska'
  when 'lime + ice + sugar'
    return 'Lemon Juice'
  when 'ice + sugar'
    return 'Sweet water'
  when 'ice'
    return 'Water'
  when 'sugar'
    return 'Diabetes'
  else
    return 'WTF!'
  end
end