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.
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Question: Context: Met some of you #nolefam's yesterday. Autograph for a smile, hehe I think this exchange was in my favor. Novak Djokovic (@DjokerNole) August 14, 2014 Question: what does he think was in his favor?

Answer: the exchange of autographs for a smile.


Question: Context: At long last! England bans smoking in cars with children - law from Oct 1st. #ChildProtection #SmokeFree #Health #Smoking— Victoria Mizzi (@mistyholland) February 11, 2015 Question: when does this law go into effect?

Answer: october 1st.


Question: Context: 2C Arrived at a Everest High Camp.Thanks for joining Alzheimer's Prevention Registry at Alan Arnette (@alan_arnette) April 27, 2015 Question: what is @alan_arnette thanking people for joining?

Answer:
alzheimer's prevention registry