Please capitalize where necessary: that may sound terrible.
A: That may sound terrible.

Q: the operation is easy and the interface is friendly.

A: The operation is easy and the interface is friendly.

Q: note that if there's an item with a sad smiley next to it, it means that the customer doesn't like this item. if there's a happy smiley, the customer likes it. add the items the customer likes and avoid those he/she doesn't like.
A: Note that if there's an item with a sad smiley next to it, it means that the customer doesn't like this item. If there's a happy smiley, the customer likes it. Add the items the customer likes and avoid those he/she doesn't like.

Problem: in addition, you can apply capture masks, including circular, rectangle and other shapes, captures can optionally include the mouse cursor, or can be automatically send the captured images to ms office applications, such as word, excel, powerpoint.
Can you repeat this sentence, but capitalize it?
Answer: In addition, you can apply capture masks, including circular, rectangle and other shapes, Captures can optionally include the mouse cursor, or can be automatically send the captured images to MS Office applications, such as Word, Excel, PowerPoint.

Text: then peter said: behold, we have left all things, and have followed thee.

Correct capitalization: Then Peter said: Behold, we have left all things, and have followed thee.

Please capitalize where necessary: this was christian philosophy based on an interpretation of aristotle 's works through the muslim philosopher averroes.
A:
This was Christian philosophy based on an interpretation of Aristotle 's works through the Muslim philosopher Averroes.