Please choose the correct ending to complete the given sentence: Youth: [header] How to tell teasing and bullying apart [title] Understand playful teasing. [step] It's common for siblings or teammates to tease others as a way to poke fun of them in a lighthearted or funny way. If someone teases you as a way to be silly or gently poke fun of you, this should be playful and fun.

Ending1: Teasing can foster feelings of affection or closeness. Ideally, the teasing should occur in a relationship where both people can appreciate the teasing and the person being teased is not distressed. Ending2: [substeps] One of the best ways to recognize teasing and bullying is to consider the seriousness of their teasing. Teasing might be more serious if the recipient is older or weaker. Ending3: Try to avoid this sort of behavior and will pay more attention to the overall seriousness and humor that is involved in teasing. [substeps] Humor should come naturally and be sought out whenever the sibling teases you, even if it's just teasing. Ending4: If it's directed at others, it may hurt someone else's feelings. If it is directed at an older sibling, it may hurt someone else's feelings.

Answer format: ending1/ending2/ending3/ending4