TASK DEFINITION: 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.
PROBLEM: Context: If you're not concerned about AI safety, you should be. Vastly more risk than North Korea. Elon Musk (@elonmusk) August 12, 2017 Question: what is elon concerned with?

SOLUTION: ai safety

PROBLEM: Context: Office Timothy O'Dell approached the student barricade and shoved students down and into the wall without asking questions #ExposeEvergreen — halla (@HallaWarner1) May 23, 2017 Question: who pushed the students down?

SOLUTION: officer timothy o'dell

PROBLEM: Context: Since people want to discuss the myth of “black-on-black crime,” can we discuss #WacoThugs and the special treatment they are receiving? — PrestonMitchum (@PrestonMitchum) May 18, 2015 Question: people want to discuss what myth?

SOLUTION:
"black-on-black crime"