Can’t tell the exact solution. Since it is the topic of my research

Our research provides an accuracy of 85–90% when tested with unknown data. Here you can assume that the testing data comprises of such sentences or excepts which can be answered by Yes or No.

We are assuming these type of sentences are categorized as factoid based questions, where answering to all of these statements can be yes or no.

We have used public available SQuAD

I have found this paper

Hope it helps.

Footnotes