Definition: In this task, you are given a Reddit post as a text. Your task is to generate a title for this text. The title should start with "TIFU by", followed by a situation that caused humor. The title should contain 7-12 words, ideally.
Input: Text: this almost always happens when it's a friday, my highschool has a "friday" schedule where we go to 5 classes instead of 4 before lunch. anyway i get to all of my classes then after 4th i start to walk home for lunch, and i still think that its a regular day schedule then that damn bell rings and i'm on my way on of the gate. i literally shat my pants. when i go to security they asked for my reason i was late and i said i thought it was lunch. for the next 1-2 minutes i am the subject of fun.

TIFU by thinking it was lunch