Context: Today I went to the " Yamaka My Weekend " festival . While I was there , Casey and I ran into somebody we knew from junior high . Her name is Sarah .
Question: Why is the narrator feeling nostalgic after going to the concert ?
Option 0: None of the above choices .
Option 1: The narrator saw an old friend .
Option 2: The narrator saw an old teammate there .
Option 3: The narrator saw an old teacher there .
Answer: 1