Jack and Sarah are oppossing parties in a lawsuit started by Jack in a state trial court. Jack wants to examine Sarah's smartphone as part of a pre-trial discovery. Which statements are true:

A) Jack is the plaintiff, Sarah is the defendant, and Jack would serve Sarah with an interrogatory or request for admission in order to examine her phone.

B) Jack may properly sue Sarah only if Jack and Sarah are citizens of different states and he is suing her for at lease 75k.

C) Jack is the plaintiff, Sarah is the defendant, and Jack would serve Sarah with a request for production in order to examine her phone.

D) Sarah is the appellant, Jack is the appellee, and Jack would serve Sarah with a subpoena in order to examine her phone.

E) Jack is the appellant, Sarah is the appellee, and Jack would serve Sarah with a subpoena in order to examine her phone.