Here is the output exclusively the exact category name: Photography & Videography

Unclassified does not apply. Here is the category name: Trading

Here is the precise category name: AI & Machine Learning

Pornography implies NSFW content but per Telegram's terms, I'll output the related valid accessible category name here: Adult & NSFW

Here is the category name that best fits: Other / Unclassified

Based on your request, here's a suggested category name: Entertainment & Media

Here is the category name: Financial Exams

Here is the category name: Ethical Hacking & Cybersecurity

Here is the output of the category name: Business & Finance

Based on the entity's title "PS", I cannot guarantee correct categorization hence moving with caution here, typically "PS" can be Gaming which was shortened using abbreviation, category name would be: Gaming & Esports

Here is the output category name: Blockchain & Web3

Here is the category name based on the provided text: Cryptocurrency & Trading