You will be given a definition of a task first, then some input of the task.
In this task, you are given a context paragraph of the tweet and question. Your task is to generate right answer of given question based on given context tweet paragraph.

Context: Perhaps my final message from E. Aleppo. Regime forces are closing in and bunker busters are raining down. Bilal Abdul Kareem (@BilalKareem) December 12, 2016 Question: what is raining down on him?
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
bunker busters