Which of the following numbers is a real number: -200, -1.5, -1, 0, 1, 1.5, 200, pi, e, sqrt(-1)?
The real numbers among those are -200, -1.5, -1, 0, 1, 1.5, 200, pi, e
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: Which of the following numbers is a real number: -200, -1.5, -1, 0, 1, 1.5, 200, pi, e, sqrt(-1)?
### Input: 
### Response: The real numbers among those are -200, -1.5, -1, 0, 1, 1.5, 200, pi, e</s>