Please capitalize where necessary: the regulatory manager offers you a quick, simple, and complete graphical overview of how your registrations are progressing.
A: The Regulatory Manager offers you a quick, simple, and complete graphical overview of how your registrations are progressing.

Q: there are almost 2 km left of the original city wall, which was 4 km long. several defence towers in the wall are intact and are open to visitors.

A: There are almost 2 km left of the original city wall, which was 4 km long. Several defence towers in the wall are intact and are open to visitors.

Q: sexuality and eroticism are at home here, along with play in general and all types of creative expression.
A: Sexuality and eroticism are at home here, along with play in general and all types of creative expression.

Problem: we sell these q20 while in stock.
Can you repeat this sentence, but capitalize it?
Answer: We sell these Q20 while in stock.

Text: that does not preclude material success; but such success should be the by-product rather than the primary source of your efforts.

Correct capitalization: That does not preclude material success; but such success should be the by-product rather than the primary source of your efforts.

Q: the holiday house is clean, the beds comfortable, and there is a full kitchen.

A:
The holiday house is clean, the beds comfortable, and there is a full kitchen.