Classify the given expression as a simile, metaphor, or hyperbole
The pain is unbearable
The expression "The pain is unbearable" is a hyperbole.
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify the given expression as a simile, metaphor, or hyperbole

### Input:
The pain is unbearable

### Output:
The expression "The pain is unbearable" is a hyperbole.