Identify the action that the following sentence describes.
After the exam ended, he breathed a deep sigh of relief.
The action that the following sentence describes is "sighing in relief".
Complete the following task based on the instruction and optional input provided.### Instruction:
Identify the action that the following sentence describes.

### Input:
After the exam ended, he breathed a deep sigh of relief.

### Output:
The action that the following sentence describes is "sighing in relief".