Which statement demonstrates a well-written requirement?

You are updating an application that is comprised of a number of ruleset versions. How do you copy the highest version of each rule in the different ruleset versions into a higher ruleset version?

You have a connector that fetches a list of currency exchange rates from an external system. Where do you invoke the connector from?

A client wants to replace the Pega logo in the Case Manager and Case Worker portals. Instead of using the company logo, the client wants you to use the logos for each of the company's operating subsidiaries - a user in the ABC subsidiary sees the logo for ABC, and a user in the XYZ subsidiary sees the XYZ logo.
How do you add the logos to the application?

A given user interaction takes five seconds. You need to investigate why it is taking so long. Which tool do you use to start the investigation?