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 ?
Option 0: None of the above choices .
Option 1: They returned to their elementary school .
Option 2: They returned to their university .
Option 3: They returned to their college .
Answer: 1