What is a sandworm?
A sandworm is a creature described by Frank Herbert in his science-fiction book Dune. Sandworms are huge and aggressive and live in the sand seas of planet Arrakis.
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 a sandworm?
### Input: 
### Response: A sandworm is a creature described by Frank Herbert in his science-fiction book Dune. Sandworms are huge and aggressive and live in the sand seas of planet Arrakis.