```ruby

# Responsible for creating the dictionary of user messages in english.
module English

	# Returns a Hash with all user messages in english.
	#
	# * *Returns* :
	#   - Hash containing the user messages in english
	# * *Return* *Type* :
	#   - Hash<Symbol, String>
	def self.messages
		{:winner => "The winner is %s!",
   		:no_winner => "No one won.",
		:exit => "Exit",
		:new_game => "New game"}
	end

end

```

Add 'back' and 'start' message
user
```ruby

# Responsible for creating the dictionary of user messages in english.
module English

	# Returns a Hash with all user messages in english.
	#
	# * *Returns* :
	#   - Hash containing the user messages in english
	# * *Return* *Type* :
	#   - Hash<Symbol, String>
	def self.messages
		{:winner => "The winner is %s!",
   		:no_winner => "No one won.",
		:exit => "Exit",
		:new_game => "New game",
		:back => "Back",
		:start => "Start"}
	end

end

```
assistant