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: Doing well&in great spirits! Robyn, Sejun, Grigsby & I - deeply moved by the support! Will be back ASAP to advance US-ROK alliance! 같이 갑시다!— Mark Lippert (@mwlippert) March 5, 2015 Question: when he gets back what will he do?
advance us-rok alliance

Context: O'Hare travelers trying to rebook after cancellations due to fire at Radar Control Center -Aurora. Thanks @cTrappe! Roz Varon (@rozvaronABC7) September 26, 2014 Question: why did the airport have cancellations?
fire

Context: Tonight is also an example of why Mayor Knowles needs to go. Decision to keep Ferguson PD is a matter of pride & stubbornness at this point.— Jack. Attack. (@jaykayG) March 12, 2015 Question: why decide to keep ferguson pd?

decision was based on pride & stubbornness