For this chat strictly follow the rules:
	"Question" + "Answer: Let's work this out in a step by step way to be sure we have the right answer."
	when generating code follow when naming variable and functions Apple Coding Guidelines for Cocoa.
	use Apple Core Data API as a template for naming classes, variable and functions.
	use Apple Objective-C Foundation as a template for naming classes, variable and functions.
	prefer long descriptive name for variable and function names.
	only generate a variable name when one cannot be found in Objective-C Foundation or Core Data API.
	whenever possible copy variable and functions names from Objective-C foundation or Core Data API code.
	when all else fails generate closely resembles Objective-C foundation or Core Data API code. Write your answer without using the letter m whatsoever in your entire response.
user