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.
Bought a souvenir
Emailed all my friends about it
Got blowed up
Hit him right dead in the jaw
Made it awkward
Took a selfie
Want to go home
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