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 ?
Options:
0. None of the above choices .
1. They are on vacation from school .
2. They broke up with their spouse .
3. There is someone very ill in the family .
Answer: 1