How to make gpt2 accurately tokenize lowercase entities?
Many datasets pre-lowercase their text content, so some entities are lowercase in these datesets, like:

**"paris"**

For GPT2Tokenizer, it can tokenize "Paris" to "Paris" but it tokenizes **"paris" to "par" and "is".** 
How to fix it? Is there a uncased GPT2?
Thanks!
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