Context: Last Sunday , I decided to revisit my childhood since I was in the area ... My Kindergarten ! I ca n't believe it has been 17 - 18 years ... the only clear memory I have of this PAP Kindergarten is more to do with my sis who also went to the school . She keept puking the entire first week in school . The teachers got fed - up they asked my mum to come in and mop her puke .

Question: Why is the narrator acting so nostalgic ?
Options:
0. None of the above choices .
1. They returned to their elementary school .
2. They returned to their university .
3. They returned to their college .
Answer: 1

Question: Why is the narrator acting so nostalgic ?
Options:
0. They returned to their university .
1. None of the above choices .
2. They returned to their college .
3. They returned to their old grade school .
Answer: 3