My phone is in my office , my purse is in my office ... I have a house key on me cause there 's one on the set of keys that my office keys are on , but I ca n't drive home ... I ran into a colleague and she told me maybe it was a drill . But luckily the blasted thing turned off after a min or so .

Question: Why were the person 's things missing ?
Answer: She locked them in the carShe lent them to a friendNone of the above choices .She forgot them at home