How to use pretrained BERT in News Recommend

Hello everyone.
I want to use the BERT pre-training model for the news recommendation problem. In this problem, a news item has a lot of information such as title, summary, and content.
Should I use a single BERT model for all 3 of the above fields of the news, or declare 3 separate BERT models (of course the same) for each of the above fields?
Thank you.

It probably is more efficient and just as well to use the same.

Best regards

Thomas

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