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.

question: behold, they are all vanity, their works are nought, their molten images are wind and emptiness.
Capitalize this past sentence correctly.
A: Behold, they are all vanity, their works are nought, their molten images are wind and emptiness.

question: only qualified personnel may install or repair this product.
Capitalize this past sentence correctly.
A: Only qualified personnel may install or repair this product.