Given the task definition and input, reply with output. In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.

Context: Tick tock. It's almost time to get your FREE donut w/ any beverage purchase on #NationalDonutDay Friday 6/3! Dunkin' Donuts (@DunkinDonuts) June 2, 2016 Answer: dunkin donuts
what shop is sponsoring this tweet?