Who is the fastest person on earth?
Usain Bolt. He currently holds the world record in both the 100 meter and 200 meter dash, 
widely considered to be the best measurement of outright speed.
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: Who is the fastest person on earth?
### Input: 
### Response: Usain Bolt. He currently holds the world record in both the 100 meter and 200 meter dash, 
widely considered to be the best measurement of outright speed.