Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
From the facts, construct a multiple-choice quiz.

### Input:
Fact: The longest river in the world is the Nile River.

### Response:
Q. What is the longest river in the world? 
A. Yangtze River 
B. Mississippi River 
C. Nile River 
D. Yellow River 

Answer: C. Nile River