question: there are clothes that people, mostly hunters, sepla airsoft, paintball enthusiasts who want to blend into their surroundings.
Capitalize this past sentence correctly.
A: There are clothes that people, mostly hunters, SEPLA airsoft, paintball enthusiasts who want to blend into their surroundings.

question: what concerns us most today, though, is the harmony hub, which came with the elite.
Capitalize this past sentence correctly.
A: What concerns us most today, though, is the Harmony Hub, which came with the Elite.

question: the event marks the international day for elimination of racial discrimination.
Capitalize this past sentence correctly.
A: The event marks the International Day for Elimination of Racial Discrimination.