Please capitalize where necessary: 1) use a vpn for security :
A: 1) Use a VPN for security :

Q: clear, fast and dynamic: i find your portal to be the best of all the ones that i've worked with. it's clear, fast and dynamic.

A: Clear, fast and dynamic: I find your portal to be the best of all the ones that I've worked with. It's clear, fast and dynamic.

Q: we will cover everything that you need to know to set up and use the trade application area in microsoft dynamics nav 2013. the topics will have a close relationship with customers and vendors.
A: We will cover everything that you need to know to set up and use the trade application area in Microsoft Dynamics NAV 2013. The topics will have a close relationship with customers and vendors.

Problem: these women don't want anyone to know that they have got problems.
Can you repeat this sentence, but capitalize it?
Answer: These women don't want anyone to know that they have got problems.

Text: hi, my name is dartprincess and i am 23 years.

Correct capitalization: Hi, my name is dartprincess and I am 23 years.

Q: there is a kebab joint between the pub and the hotel, and a sign on the pub's door says: "no kebabs allowed, thank you".
A:
There is a kebab joint between the pub and the hotel, and a sign on the pub's door says: "No Kebabs Allowed, Thank You".