Task: Question Answering
Input (English): Context: Thankfully my folks were to pick me up , though my bags were not there for me to pick up . I was too tired to worry or care and they came later that night , home delivered . I ' ve been back almost a week now and getting used to the cold and being back in Melbourne , which has been both easy and pleasant . 
Question: What may be the reason for them being back home ?
Output (English): They are on vacation from school .