readme: ## BERT-large finetuned on MNLI.
  
  The [reference finetuned model](https://github.com/google-research/bert) has an accuracy of 86.05, we get 86.7:
  
  ```
  {'eval_loss': 0.3984006643295288, 'eval_accuracy': 0.8667345899133979} 
  ```