Given the task definition and input, reply with output. You are given a sentence and a question in the input. The information provided in the sentence should be enough to answer the question. You're expected to write the correct answer. Do not use any facts other than those provided in the sentence.

Sentence: They don't always get along with other animals or humans, so they have to get rid of their anger and their crazy emotions to make and keep friends.
Question: What is so important to make a friendship last a long time?
get rid of their anger and their crazy emotions.