question: maybe the most moving piece of art, we've seen.
Capitalize this past sentence correctly.
A: Maybe the most moving piece of art, we've seen.

question: alexander milinkevich, leader of the opposition in belarus, is announced as this year's winner of the sakharov prize.
Capitalize this past sentence correctly.
A: Alexander Milinkevich, leader of the opposition in Belarus, is announced as this year's winner of the Sakharov Prize.

question: perfect for use on the hair is wet on dry hair. application: apply on towel-dried hair ...
Capitalize this past sentence correctly.
A: Perfect for use on the hair is wet on dry hair. Application: apply on towel-dried hair ...