CLEAN : Bloody accident and rain mar joyful Rio carnival

The video covers a range of topics including undergraduate concepts, Congress and local issues, unclear imagery, Nagaraju's unique bicycle pies, UK metrics and college control systems, and processes related to login and sending invitations.

What could be the context behind the statement 'Image. Not sure.'?

What does the phrase 'Cheer for every metrics college fill out their controller' suggest?