Identify if the following sentence is using a simile or metaphor.
She was a tiger in the ring
The sentence "She was a tiger in the ring" is using a metaphor.
Complete the following task based on the instruction and optional input provided.### Instruction:
Identify if the following sentence is using a simile or metaphor.

### Input:
She was a tiger in the ring

### Output:
The sentence "She was a tiger in the ring" is using a metaphor.