Online computer games are always grouped by themes principles character type or genre

Can you repeat this sentence, but add in punctuation?
Online computer games are always grouped by themes, principles, character, type or genre.
input: This missing dimension in knowledge has not been revealed by religion by the medical fraternity by the authorities on the subject nor by higher education
fixed: This missing dimension in knowledge has not been revealed by religion, by the medical fraternity, by the "authorities" on the subject nor by higher education.
input ---- Purchase Orders Please fill out the order form available via the Quit screen in Ten Thumbs Typing Tutor Either fax it along with your purchase order to the fax number below or print it out and send it along with your purchase order to the address below
output ---- Purchase Orders: Please fill out the order form available via the "Quit" screen in Ten Thumbs Typing Tutor. Either fax it along with your purchase order to the fax number below or print it out and send it along with your purchase order to the address below.
Add punctuation: This image belongs to the following categories Skating
A: This image belongs to the following categories: Skating.
QUESTION: Fix punctuation: In Mexico sometimes the Centrists were in control and sometimes the Federationists were in control and sometimes people who appreared to be Federationist once they got control of the central government became Centrists Antonio Lopez de Santa Anna was one of the latter
ANS: In Mexico sometimes the Centrists were in control and sometimes the Federationists were in control and sometimes people who appreared to be Federationist once they got control of the central government became Centrists. Antonio Lopez de Santa Anna was one of the latter.
input ---- Mr Hebert is back and this time he has escaped from the local hospital
output ----
Mr. Hebert is back and this time he has escaped from the local hospital.