What is the context of Ephesians 4:20-21?

• The New Man (Ephesians 4:17-24 true)
• Appeal for New Behavior (Ephesians 4:17-24 true)
• The Christian’s Walk (Ephesians 4:17-32 true)
• Living as Children of Light (Ephesians 4:17-32 true)
• The Old Life and the New (Ephesians 4:17-32 true)
• The New Life (Ephesians 4:17-32 true)
• Living the New Life (Ephesians 4:17-32 true)
• Instructions for Christian Living (Ephesians 4:17-32 true)