You are at a party and take a picture of a group of friends. Later you post the picture on your social media page. However, one of your friends does not like the way he looks in the picture and wants you to take it down. You are a good friend and take it down.

But are you obligated to remove it? Why or why not?

No; the "right of the unknown" law states I only have to take the picture down if it is offensive to everyone.
No; the "right to be forgotten" laws states I have permission to post pictures I take on social media.
Yes; the "right of the unknown" law requires me to take it down.
Yes; the "right to be forgotten" law requires me to take it down.