Given the task definition and input, reply with output. In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to get along with your younger sister [title] Stop and take a deep breath when you're feeling angry. [step] This will help you calm down and think about the situation. Are you angry at her, or just frustrated in general? Also, remember that whatever's making you angry may not be your sister's fault. <sep> (A) It's important to remind yourself that your sister isn't on the same team as you, so she isn't contributing to your anger. [substeps] Deep breathing is one of the best techniques for dealing with a frustrated sister. (B) [substeps] If your toddler-aged sister accidentally spilled her juice on you, try not to explode. Instead, take a deep breath and remember that she's still developing her motor skills. (C) Know that time spent criticizing her may have different implications than how you would normally react in an interaction with her. [substeps] If you hold onto a grudge, find other ways to take control in this situation. (D) In this context, she probably had no part in the problem in the first place. [substeps] If you feel like you or your younger sister is the person who hurt you in the first place, take a step back.
B