Rename QuestionAnswering template to QuestionAnsweringExtractive
MEMBER
> I like having "extractive" in the name to make things explicit. However this creates an inconsistency with transformers.
> 
> See
> https://huggingface.co/transformers/task_summary.html#extractive-question-answering
> 
> But this is minor IMO and I'm ok with this renaming

yes i chose this convention because it allows us to match the `QuestionAnsweringXxx` naming and i think it's better to have `task_name-subtask_name` should auto-complete ever become part of the Hub :)
2021-05-31T15:20:06Z
https://github.com/huggingface/datasets/pull/2429#issuecomment-851555999
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2021-05-31T15:20:06Z
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Following the discussion with @thomwolf  in #2255, this PR renames the QA template to distinguish extractive vs abstractive QA. The abstractive template will be added in a future PR.