Definition: In this task, you will be presented with a question that has multiple possible answers. You should choose the most suitable option out of "A", "B", "C", "D", and "E", based on your commonsense knowledge.
Input: Question: While in Southern California they donned their mouse ears for the day, they bought some balloons from a vendor while they were where? 
 Options: A disneyland B sky C mouse trap D filled with air E fairgrounds 

A