Please capitalize where necessary: hague had longo arrested on trumped up charges and a hague judge sent longo to jail for nine months.
A: Hague had Longo arrested on trumped up charges and a Hague judge sent Longo to jail for nine months.

Q: bird photos, bird pictures, sounds of birds " macaws " military macaw, ara militaris

A: Bird photos, bird pictures, sounds of birds " Macaws " Military Macaw, Ara militaris

Q: german, old and young (18+)
A: German, old and young (18+)

Problem: the weekly promo entitled team titan bounty tournaments will feature a buy-in worth $6 and will reward players with $100 cash prize if ever they ousted one of the seven team titan members.
Can you repeat this sentence, but capitalize it?
Answer: The weekly promo entitled Team Titan Bounty tournaments will feature a buy-in worth $6 and will reward players with $100 cash prize if ever they ousted one of the seven Team Titan members.

Text: from the 6th floor there are magnificent sea, castle and mountain view from all apartments.sea star apartments have two bedrooms, one living room with american open kitchen, one large bathroom, guest toilet, store room and two balconies.

Correct capitalization: From the 6th floor there are magnificent sea, castle and mountain view from all apartments.Sea Star apartments have two bedrooms, one living room with American open kitchen, one large bathroom, guest toilet, store room and two balconies.

Text: highly flammable. irritant: irritating to skin. harmful. harmful: may cause lung damage if swallowed.

Correct capitalization:
Highly flammable. Irritant: irritating to skin. Harmful. Harmful: may cause lung damage if swallowed.