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: happened a while ago. just remembered it.
90+ year old grandma taking a dump.
has her hearing aids out.
she didn't hear my knocking on the bathroom door. 
yuk.

TIFU-By not knocking loud enough.