Definition: In this task, you will be presented with a multiple-choice question in Persian, and you should answer the question based on your knowledge. Classify the answers based on options.
Input: «پروتکل» ( ( Protocol یعنی : <sep> (A) معاهده (B) قرارداد بین‌المللی (C) مقاوله نامه (D) موافقت نامه
Output:
C