Task: Question Answering
Input (English): Problem: there are 8 stores in town that had a total of 22 visitors on a particular day. however, only 12 people went shopping that day; some people visited more than one store. if 8 people visited exactly two stores each, and everyone visited at least one store, what is the largest number of stores anyone could have visited ?
Options: a. 2, b. 3, c. 4, d. 5, e. 6
Output (English): b