Teacher:In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.
Teacher: Now, understand the problem? Solve this instance: Context: #Aleppo : As Russia abuses its veto at the #UNSC - we must work to hold to account those participating in potential war crimes. Tobias Ellwood MP (@Tobias_Ellwood) December 14, 2016 Answer: russia
Student:
what country is blocking action against those committing war crimes?