question: increases the amount of muscle mass
Capitalize this past sentence correctly.
A: Increases the amount of muscle mass

question: he did not undertake any mathematical research although he was a fellow of peterhouse between 1886 and 1892.
Capitalize this past sentence correctly.
A: He did not undertake any mathematical research although he was a Fellow of Peterhouse between 1886 and 1892.

question: the below and above ground drip irrigation line with a diameter of 13.7 mm is installed underground where it is not visible and serves the irrigation of bordering plants and lawn areas.
Capitalize this past sentence correctly.
A: The Below and Above Ground Drip Irrigation Line with a diameter of 13.7 mm is installed underground where it is not visible and serves the irrigation of bordering plants and lawn areas.