Task: Question Answering
Input (English): Question: I forgot the last digit of a 7-digit telephone number. If 1 randomly dial the final 3 digits after correctly dialling the first four, then what is the chance of dialling the correct number?

 Option A: 1/1001.

 Option B: 1/1000

 Option C: 1/999

 Option D: 1/990

 Option E: 1/968
Output (English): Option B