Task: Question Answering
Input (English): Question: John, Karen, and Luke collected cans of vegetables for a food drive. The number of cans that John collected was 1/2 the number of cans that Karen collected and 1/3 the number of cans that Luke collected. The number of cans that Karen collected was what fraction of the total number of cans that John, Karen, and Luke collected?

 Option A:  1/5

 Option B:  1/3

 Option C:  2/5

 Option D:  1/2

 Option E:  2/3
Output (English): Option B