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.

Input: Consider Input: Sentence: Tom gave Ralph a lift to school so he wouldn't have to walk. Question: Who wouldn't have to walk?

Output: ['Ralph', 'Tom']


Input: Consider Input: Sentence: As Andrea in the crop duster passed over Susan, she could see the landing gear. Question: Who could see the landing gear?

Output: ['Andrea', 'Susan']


Input: Consider Input: Sentence: James asked Robert for a favor but he was refused. Question: Who was refused?


Output: ['Robert', 'James']