Please choose the correct ending to complete the given sentence: Holidays and Traditions: [header] How to decorate a school locker for a birthday [title] Ask your school about rules for locker decorating. [step] You wouldn't want to start decorating just to find out that it's forbidden. Are you only allowed to decorate the outside of your friend's locker? Only the inside? Find out about all rules so that you can't get into trouble.

Ending1: [title] Make sure you've got the right locker number and the right day. [step] These would be big mistakes if these were not correct. Ending2: If you disagree with someone, sit next to them and see what they think about it. If they think you should try decorating the inside of your friend's locker, ask the school in advance what they think of it. Ending3: [title] Redecorate it any time school is open if your request is valid. [step] The more privacy in your locker, the fewer people you'll need to share a space with. Ending4: [substeps] Your school might have specific rules for locker decorating. The reason you get banned in the first place is because you hid your locker--which means you're breaking school rules! [title] Look outside of your school.

Answer format: ending1/ending2/ending3/ending4