Please capitalize where necessary: check rates and availability for hotel el viandante. then proceed to booking.
A: Check rates and availability for Hotel El Viandante. Then proceed to booking.
Q: unfortunately it is a fact that man has made mistakes before and will definitely do it again.

A: Unfortunately it is a fact that man has made mistakes before and will definitely do it again.
Q: download master is a handy extension for chrome users who occasionally need to download multiple files that are linked or displayed on a single website.
A: Download Master is a handy extension for Chrome users who occasionally need to download multiple files that are linked or displayed on a single website.
Problem: other third party ad servers or ad networks may also use cookies to track users activities on this website to measure advertisement effectiveness and other reasons that will be provided in their own privacy policies, motorbike games | game speed academy has no access or control over these cookies that may be used by third party advertisers.
Can you repeat this sentence, but capitalize it?
Answer: Other Third Party ad servers or ad networks may also use cookies to track users activities on this website to measure advertisement effectiveness and other reasons that will be provided in their own privacy policies, Motorbike Games | Game Speed Academy has no access or control over these cookies that may be used by third party advertisers.
Text: apparently he eventually became unable to undertake work which required him to concentrate, and research in mathematics became impossible at these times.

Correct capitalization: Apparently he eventually became unable to undertake work which required him to concentrate, and research in mathematics became impossible at these times.
Problem: the debian project welcomes and encourages participation by everyone.
Can you repeat this sentence, but capitalize it?
Answer:
The Debian Project welcomes and encourages participation by everyone.