CatA-Replies-Replies. These have root -> CatA.
Update: The below have been fixed, but the above are still a problem!
These appear to be threads that were SoPWified, but the root field of the deeper replies still points to the original Q&A Category.
These were found by bad root_nodes.
An organised event
A traditional gathering
With family and friends
I don't celebrate the New Year
Adjusting my clocks for the Leap Second
I can't remember
Results (176 votes). Check out past polls.