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:
Find sources to answer a given question.

### Input:
What is the purpose of the international space station?

### Response:
NASA provides an overview of the purpose of the International Space Station on their website. Additionally, an article from Space.com gives a more in-depth explanation of the scientific research done on the ISS and the benefits it provides to humans.