Please capitalize where necessary: the solution is used by 26,000 doctors, nurses and secretaries in three of denmark's five regions.
A: The solution is used by 26,000 doctors, nurses and secretaries in three of Denmark's five regions.

Q: during 1832-33, following the death of john leslie, he substituted for the professor of natural philosophy at edinburgh university; but he did not apply for the vacant post, which he was sure would go to david brewster. in fact, the successful candidate was the 23 year-old james d forbes, who had strong political and academic supporters.

A: During 1832-33, following the death of John Leslie, he substituted for the professor of natural philosophy at Edinburgh University; but he did not apply for the vacant post, which he was sure would go to David Brewster. In fact, the successful candidate was the 23 year-old James D Forbes, who had strong political and academic supporters.

Q: you almost don't need to ask what to do in brazil, as the answer is always 'let's party!' and you won't see a bigger party than the rio carnival the ultimate place to go if you want to see amazing, towering floats and stunning outfits, and lose yourself in those hypnotic samba rhythms.
A: You almost don't need to ask what to do in Brazil, as the answer is always 'let's party!' And you won't see a bigger party than the Rio Carnival the ultimate place to go if you want to see amazing, towering floats and stunning outfits, and lose yourself in those hypnotic samba rhythms.

Problem: even though, journaling feature provided by mac operating systems protect your data from abrupt system shutdown and other issues, there are some situations in which it might get corrupted.
Can you repeat this sentence, but capitalize it?
Answer: Even though, journaling feature provided by Mac Operating Systems protect your data from abrupt system shutdown and other issues, there are some situations in which it might get corrupted.

Text: this means that the quotient of any two sequences is defined if the divisor sequence is not converent to zero.

Correct capitalization: This means that the quotient of any two sequences is defined if the divisor sequence is not converent to zero.

Problem: it is very easy and accurate, as concerned money and time.
Can you repeat this sentence, but capitalize it?
Answer:
It is very easy and accurate, as concerned money and time.