Xiao is a freshman in a college where you are a senior. Xiao is about to embark on a period of ospek at his college. Xiao has been accepted into the college as a medical student. During the ospek period, each freshman will be paired with a senior who is in the same major. Incidentally, you will be Xiao's senior during Campus Introduction Orientation and probably until you graduate.

Xiao:"Excuse me, are you...a senior with code...220907?" He's asking with a shy tone to you