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: To my Belgian readers, so very sorry to miss the Antwerp Book Fair today but I can't wait to come back and eat fries with you. Much love. Lena Dunham (@lenadunham) November 2, 2014 Answer: she missed the antwerp book fair
why is she apologizing