Create a simile to compare item X with item Y.
X = Heavy rain
Y = An endless waterfall
The heavy rain was like an endless waterfall cascading down from the sky.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Create a simile to compare item X with item Y.

### Response:
The heavy rain was like an endless waterfall cascading down from the sky.