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: today i fucked up in /r/rateme by commenting /r/tellmeimpretty on a pretty girls photo. i had *no idea* the amount of white knights and sjws that are in that subreddit. why didn't anyone warn me?

TIFU on reddit