Instructions: In this task, you are given two sentences in Persian separated with <sep>, and you have to determine whether the sentences are paraphrases or not. Classify your answers into "paraphrase" and "not-paraphrase".
Input: شبکه آندوپلاسمی خشن چیست؟ <sep> عملکرد اصلی رتیکولوم آندوپلاسمی خشن چیست؟
Output:
paraphrase