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: It's already been 2 hours, but #BetterCallSaul still blew my mind away!!!!— Bryan Johnson (@Bryan_L_Johnson) February 9, 2015 Question: how many hours has it been
2 hours

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?
ai safety

Context: What is this policy costing our nation, both in tax dollars and in lost opportunities? #webb2016 #leadershipmatters— Jim Webb (@JimWebbUSA) January 11, 2015 Question: what might policy cost our nation?

tax dollars and lost opportunities