Please capitalize where necessary: exercise programmes: 5 , heart rate controlled: 1
A: Exercise programmes: 5 , heart rate controlled: 1

Please capitalize where necessary: the percapita output of grains, as stated previously, was not any higher in 1977 than it was in 1955.
A: The percapita output of grains, as stated previously, was not any higher in 1977 than it was in 1955.

Please capitalize where necessary: individuals with surname sourdis
A: Individuals with surname SOURDIS

Please capitalize where necessary: i'm sitting next to a swede in the aircraft.
A:
I'm sitting next to a Swede in the aircraft.