Task: Question Answering
Input (English): Question: Four staff members at a certain company worked on a project. The amounts of time that the four staff members worked on the project were in the ratio 2 to 3 to 5 to 6. If one of the four staff members worked on the project for 60 hours, which of the following CANNOT be the total number of hours that the four staff members worked on the project?

 Option A: 480

 Option B: 160

 Option C: 320

 Option D: 192

 Option E: 240
Output (English): Option E