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: Billy cried because Toby wouldn't share his toy. Question: Who owned the toy?
[EX A]: ['Toby', 'Billy']

[EX Q]: Sentence: Beth didn't get angry with Sally, who had cut her off, because she stopped and counted to ten. Question: Who counted to ten?
[EX A]: ['Beth', 'Sally']

[EX Q]: Sentence: Stretching her back, the woman smiled at the girl. Question: Whose back was the woman stretching?
[EX A]:
girl's, woman's