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: Obama tells an Army veteran's widow: The VA has been "overwhelmed," and it is "inexcusable" CNN Politics (@CNNPolitics) September 29, 2016 Question: who spoke to an army veteran's widow?
obama

Context: This is what #airpollution looks like. #DelhiSmog today. Smell of burning in the air. Getting that choking feeling. #delhipollution Manimugdha Sharma (@quizzicalguy) November 5, 2016 Question: what smell is in the air?
burning

Context: This guy with the Free Hugs sign keeps trying to separate protesters & supporters to prevent fights Jeremy Diamond (@JDiamond1) May 27, 2016 Question: what is the guy with free hugs sign doing?

trying to separate protesters and supporters