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.

[Q]: The third person plural pronoun 'they' has no gender in English and most other languages (unlike the third person singular pronouns 'he', 'she', and 'it'). If these sentences are translated into French, then 'they' in the first sentence should be translated 'elles', as referring to Jane and Susan, and 'they' in the second sentence should be translated 'ils', as referring to Fred and George. A couple of examples: The word 'sie' in German serves as both the formal second person prounoun (always capitalized), the third person feminine singular, and the third person plural.
[A]: What language do they explore?

[Q]: In Sec. "Materials and Methods" we discuss our materials and methods, including the dataset we studied, how we preprocessed that data and extracted a 'causal' corpus and a corresponding 'control' corpus, and the details of the statistical and language analysis tools we studied these corpora with.
[A]: Do they use expert annotations, crowdsourcing, or only automatic methods to analyze the corpora?

[Q]: EmotionLines BIBREF6 is a dialogue dataset composed of two subsets, Friends and EmotionPush, according to the source of the dialogues. The former comes from the scripts of the Friends TV sitcom. The other is made up of Facebook messenger chats.
[A]:
What are the sources of the datasets?