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 Q]: Sentence: Dan took the rear seat while Bill claimed the front because his "Dibs!" was slow. Question: Whose "Dibs" was slow?
[EX A]: ["Bill's", "Dan's"]

[EX Q]: Sentence: The police arrested all of the criminals. They were trying to stop the drug trade in the neighborhood. Question: Who was trying to stop the drug trade?
[EX A]: ['criminals', 'police']

[EX Q]: Sentence: Carol believed that Rebecca regretted that she had stolen the watch. Question: Who is stole the watch?
[EX A]:
['Carol', 'Rebecca']

