In this task, you will be presented with a context from an academic paper and you have to write an answerable question based on the context. Your questions can be extractive, abstractive, or yes-no questions.

Example Input: This paper explores the potential of predicting a user's industry –the aggregate of enterprises in a particular field– by identifying industry indicative text in social media. 
Example Output: What do they mean by a person's industry?

Example Input: Following recent works, we compare on two widely used datasets, the Penn Treebank (PTB) BIBREF28 as prepared by BIBREF29 and WikiText2 (WT-2) BIBREF20 .
Example Output: what data did they use?

Example Input: The size of the training datasets varies considerably from 469 posts to 17 million; a difference of four orders of magnitude.
Example Output:
How big are this dataset and catalogue?