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: Looks like yet another terrorist attack. Airplane departed from Paris. When will we get tough, smart and vigilant? Great hate and sickness! Donald J. Trump (@realDonaldTrump) May 19, 2016 Answer: plane
what was used in the terrorists attack?