Please capitalize where necessary: hi, my name is cutiegurl and i am 18 years.
A: Hi, my name is cutiegurl and I am 18 years.

Q: after all, they had always been kind and originality.

A: After all, they had always been kind and originality.

Q: we want to be able to report test results, track time, bookmark our last location and more.
A: We want to be able to report test results, track time, bookmark our last location and more.

Problem: the work on the idea already began during hauke jan lubbers' bachelor at the cooperative state university baden-wurttemberg in stuttgart, where he wrote a firefox add-on to identify and block cross-site-scripting (xss) attacks on the client-side.
Can you repeat this sentence, but capitalize it?
Answer: The work on the idea already began during Hauke Jan Lubbers' bachelor at the Cooperative State University Baden-Wurttemberg in Stuttgart, where he wrote a Firefox add-on to identify and block cross-site-scripting (XSS) attacks on the client-side.

Text: we explained above how a lack of understanding of the theory of errors in mechain's time led him to down this path since he blamed himself for the discrepancies.

Correct capitalization: We explained above how a lack of understanding of the theory of errors in Mechain's time led him to down this path since he blamed himself for the discrepancies.

Problem: the neighborhood is very dynamic and there is a wide selection of restaurants and bars for all tastes.
Can you repeat this sentence, but capitalize it?
Answer:
The neighborhood is very dynamic and there is a wide selection of restaurants and bars for all tastes.