Task: Question Answering
Input (English): Question: Pipe A can fill a tank in 30 minutes. Pipe B can fill the same tank 6 times faster than pipe A. If both the pipes are connected to the tank so that they fill the tank simultaneously, how long will it take for the empty tank to overflow?

 Option A: 4 minutes

 Option B: 15/4 minutes

 Option C: 192/7 minutes

 Option D: 224/7 minutes

 Option E: 28 minutes
Output (English): Option B