Please capitalize where necessary: check out our check-in guide and get step-by-step help.
A: Check out our check-in guide and get step-by-step help.
Q: children are often curious for sexually-explicit content and they may chat with bad guys on msn/yahoo messenger/aim/windows live messenger online. now with aobo mac os x keylogger you can record the activities and even passwords of any programs.

A: Children are often curious for sexually-explicit content and they may chat with bad guys on MSN/Yahoo Messenger/AIM/Windows Live Messenger online. Now with Aobo Mac OS X Keylogger you can record the activities and even passwords of any programs.
Q: the revolutionary ap file analysis tool™ scans, analyzes, and reports back every detail about your ap file.
A: The revolutionary AP File Analysis Tool™ scans, analyzes, and reports back every detail about your AP file.
Problem: data acquisition devices have either single-ended or differential inputs, many devices support both configurations.
Can you repeat this sentence, but capitalize it?
Answer: Data acquisition devices have either single-ended or differential inputs, many devices support both configurations.
Text: mr. h. p. smith (ancient history of the east, p. 472) and professor rawlinson (herodotus, note on the scythians) concur in stating that scyth is not a real ethnic name, but a title given to all nomads, or wandering pastoral tribes.

Correct capitalization: Mr. H. P. Smith (Ancient History of the East, p. 472) and Professor Rawlinson (Herodotus, note on the Scythians) concur in stating that Scyth is not a real ethnic name, but a title given to all nomads, or wandering pastoral tribes.
Problem: his relations with his wife had never been good and he had had many lovers with his wife's knowledge. anny had her own lover for many years, schrödinger's friend weyl . schrödinger's request for march to be his assistant was because, at that time, he was in love with arthur march's wife hilde.
Can you repeat this sentence, but capitalize it?
Answer:
His relations with his wife had never been good and he had had many lovers with his wife's knowledge. Anny had her own lover for many years, Schrödinger's friend Weyl . Schrödinger's request for March to be his assistant was because, at that time, he was in love with Arthur March's wife Hilde.