Punctuate this?!

Question:

Punctuate the following so it makes sense: "That that is is that that is not is not is not that it it is."

Additional Details

2 weeks ago
hahaha....some of you are very close...funny reading the punctuation i cant stop laughing....thanks for trying though

2 weeks ago
some of you are REALY close!

Answers:

That that is, is. That that is not, is not. Is not that it ? It is........I hope.

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