What is the context of Philemon 1:12-13?

• The Plea for Onesimus (Philemon 1:8-16 true)
• Paul’s Appeal for Onesimus (Philemon 1:8-22 true)
• An Appeal for Onesimus (Philemon 1:8-22 true)
• Paul's Plea for Onesimus (Philemon 1:8-22 true)
• Plea for Onesimus, a Free Man (Philemon 1:10-25 true)
• A Plea for Onesimus to be Freed (Philemon 1:10-25 true)