Title: Optional

Text: Imagine you have a computer that you want to teach how to do something, like recognize if a picture has a cat in it. Instead of giving the computer a list of rules for identifying cats (which can be really complicated), you show it lots of pictures with and without cats, and you tell it which ones have cats and which ones don't. Over time, the computer starts to notice patterns in these pictures. Each paragraph will be a test.

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