Here is the evaluation of the story based on the given criteria:

**Tragedy Degree:**
The story revolves around Emily's challenging yet fulfilling job as a paramedic, showcasing a significant emergency incident. Although there is an intense moment where an elderly man might suffer from a cardiac arrest, it is resolved positively, and the entire narrative carries a sense of purpose and dedication rather than profound tragedy. 

**Comedy Degree:**
The story does not contain overt comedic elements or humor. However, there are warm, light-hearted moments of camaraderie between Emily and Paul, and the overall tone is uplifting despite the serious nature of their work.

Based on these observations, the JSON output is as follows:

```json
{
  "TragedyDegree": 3,
  "ComedyDegree": 4
}
```

- **Tragedy Degree of 3**: There is a moment of crisis and tension, but it resolves well, and the overall narrative does not delve deeply into tragic themes.
- **Comedy Degree of 4**: While not actively comedic, the story's light-hearted and positive ending, along with the warm relationship between characters, gives it some emotional uplift.
