Is there anyone who has used bioBERT to create a question answer model ?

[sonam.g...@gmail.com]

I want to build a QA model for very specific questions and the context I'd give for those questions will mostly be pubmed articles that bioBERT is already pre-trained on. How should I create a testing file that is in the format of either SQuAD dataset or the training file that bioBERT uses (https://github.com/dmis-lab/biobert) ? 

Thank you.