"Remember when I said, 'Someone stole my pencils!'?"
"Remember, I was at school."
No, I am not at your school.
Apparently, it was second grade, and she said it once and must have received some incentive to keep doing it, and expanded the schtick to include all her other desk objects (erasers, paper, water bottle, etc.).
Are you still saying it this year?
The conversation revealed that 1. She still struggles with the me vs. world perspective--"theory of mind"--by thinking I can somehow know all things even without being there 2. The perseveration is alive and well.