Task: Question Answering
Input (English): Question: Five bells first begin to toll together and then at intervals of 5, 10, 15, 20 and 25 seconds respectively. After what interval of time will they toll again together?

 Option A: 5 min

 Option B: 5.5 min

 Option C: 5.2 min

 Option D: 6.2 min

 Option E: None
Output (English): Option A