What is the oldest civilization in the world?
The oldest civilization in the world is the Mesopotamia civilization which lasted between 4000 - 3500 BC
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: What is the oldest civilization in the world?
### Input: 
### Response: The oldest civilization in the world is the Mesopotamia civilization which lasted between 4000 - 3500 BC