Oil prices are up, are refinery shutdowns to blame?
A winter storm over a large swath of the U.S. is being blamed for oil refinery shutdown in Houston and spiking crude prices
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction: Oil prices are up, are refinery shutdowns to blame?

### Response: A winter storm over a large swath of the U.S. is being blamed for oil refinery shutdown in Houston and spiking crude prices