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: i just finished taking a motorcycle training class. really liked my classmates and made friends with them. yesterday (last day of class) my instructor asked to see the bike i was going to buy to see if it would be a good fit for me. (2008 suzuki gs5) 

he thinks it's great and i decide to show my buddies in class. 

just finished the course, everyone passed. get a message from one of my classmates saying his dad bought the bike for him.

TIFU by showing a classmate the bike I was going to buy.