Please capitalize where necessary: i’m in such a good mood that i even tip the waiter.
A: I’m in such a good mood that I even tip the waiter.
Q: overnight in the united states, more than 100 security researchers and computer science experts have had to ensure the integrity of american state and federal elections.

A: Overnight in the United States, more than 100 security researchers and computer science experts have had to ensure the integrity of American state and federal elections.
Q: blue fertiliser for hydrangea
A: Blue fertiliser for hydrangea
Problem: if we are all working tough, – we can all get enough,
Can you repeat this sentence, but capitalize it?
Answer: If we are all working tough, – we can all get enough,
Text: additional tips included floor / carpet vario 500. crevice. brush the dust. upholstery

Correct capitalization: Additional tips included floor / carpet Vario 500. crevice. Brush the dust. Upholstery
Text: limitation of liability and damages

Correct capitalization:
Limitation of Liability and Damages