Is there a tool to classify correct sentences?

Hello, 

I generate sentences and read these sentences by hand. I can manually build three sets of sentences : 

* **Good**: the sentences are correct grammatically and are meaningful
* **Neither good nor too bad**: the sentences are still correct grammatically, but the meaning can be very poetic or curious
* **Bad**: no meaning or grammatical mistakes or both.

I wonder if a kind of automatic classifier exists that tells from a set of sentences that are more likely to …

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