question: this will be based on three different leaderboards.
Capitalize this past sentence correctly.
A: This will be based on three different leaderboards.

question: at the end he added, somewhat pathetically: "these works of music mark the end of the mission of music in the world ".
Capitalize this past sentence correctly.
A: At the end he added, somewhat pathetically: "These works of music mark the end of the mission of music in the world ".

question: jacky cheng: the fmc is the most important exhibition for the furniture industry in china.
Capitalize this past sentence correctly.
A: Jacky Cheng: The FMC is the most important exhibition for the furniture industry in China.