Please choose the correct ending to complete the given sentence: Youth: [header] How to be a good brother [title] Be respectful. [step] It's important to set an example for your siblings by always being respectful. Be respectful to them, of course, but you should also be respectful to your parents, your teachers, your friends, and even perfect strangers! Being respectful will help them a lot in life and if they learn it from someone they really respect, it will become a lifelong habit.

Ending1: [substeps] Don't talk back to your parents or teachers. Politely argue if problems come up but otherwise do what you're told and show your sibling how it's done. Ending2: [substeps] Remember that a good brother is someone who keeps up their end of the bargain. Being polite to everyone is part of being a good brother and showing your parents respect. Ending3: [substeps] While you are being respectful, try learning respect techniques. This will teach you how to treat your parents and their little children the way you would treat your other siblings. Ending4: [substeps] Respect your siblings, your parents, your teachers, and the adults in your life with respect. Be respectful by actually making a good impression.

Answer format: ending1/ending2/ending3/ending4