Please capitalize where necessary: the diagram below shows the three parts of the manual and how they relate to each other.
A: The diagram below shows the three parts of the manual and how they relate to each other.

Q: my friend hans lars mathiesen knows a lot about slr cameras, and he had a camera for sale.

A: My friend Hans Lars Mathiesen knows a lot about SLR cameras, and he had a camera for sale.

Q: before you can open a dso file, you'll need to figure out what kind of file the dso file extension refers to.
A: Before you can open a DSO file, you'll need to figure out what kind of file the DSO file extension refers to.

Problem: meeker's 355-slide presentation covers a lot, but here are five initial takeaways:
Can you repeat this sentence, but capitalize it?
Answer: Meeker's 355-slide presentation covers a lot, but here are five initial takeaways:

Text: becoming like christ starts and ends with myself: finding the faults in me and not in the others.

Correct capitalization: Becoming like Christ starts and ends with myself: finding the faults in me and not in the others.

Q: vivian, lisa and amanda are invited to work as models of march issue of teen fashion magazine. please work as their stylist to dress up each one of them.
A:
Vivian, Lisa and Amanda are invited to work as models of March issue of Teen Fashion magazine. Please work as their stylist to dress up each one of them.