You are given a sentence and a question, construct 2 answer options in a specific format i.e. ['option1','option2']. The answer options have to be text spans from the given sentence. Only one among the options should be the correct answer to the given question. Note that, the correct answer to the given question will require understanding of coreference resolution. Coreference resolution is the task of clustering mentions in text that refer to the same underlying real world entities.

Ex Input:
Sentence: The scientists are studying three species of fish that have recently been found living in the Indian Ocean. They appeared two years ago. Question: Who or what appeared two years ago?

Ex Output:
['fish', 'scientists']


Ex Input:
Sentence: The archaeologists have concluded that neanderthals lived in Laputa 20,000 years ago. They hunted for deer on the river banks. Question: Who hunted for deer?

Ex Output:
['neanderthals', 'archaeologists']


Ex Input:
Sentence: When the sponsors of the bill got to the town hall, they were surprised to find that the room was full of opponents. They were very much in the majority. Question: Who were in the majority?

Ex Output:

['opponents', 'sponsors']


