exercise: regular exercise can keep you healthy and guard against infectious attacks.

How would the previous sentence be correctly capitalized?
Answer: Exercise: Regular exercise can keep you healthy and guard against infectious attacks.
the nyx luminaires are often seen in the city of copenhagen, here nyx 330 on wall, bispebjerg.

How would the previous sentence be correctly capitalized?
Answer: The Nyx luminaires are often seen in the City of Copenhagen, here Nyx 330 on wall, Bispebjerg.
this will give you your waist size.

How would the previous sentence be correctly capitalized?
Answer: This will give you your waist size.
pray do not suppose that i expect to convert or pervert you; if i could stagger you in ever so slight a degree i should be satisfied; nor fear to annoy me by severe criticisms, for i have had some hearty kicks from some of my best friends.

How would the previous sentence be correctly capitalized?
Answer: Pray do not suppose that I expect to convert or pervert you; if I could stagger you in ever so slight a degree I should be satisfied; nor fear to annoy me by severe criticisms, for I have had some hearty kicks from some of my best friends.