Based on the provided story, here are the scores for the Tragedy Degree and Comedy Degree:

- **Tragedy Degree**: The story contains some elements of melancholy and unfulfilled dreams, particularly regarding the letter and the life of Amelia Wren. However, it doesn't convey a profound tragedy with strong emotional impact. Therefore, a score of 4 seems appropriate.
- **Comedy Degree**: While the story ends on a hopeful and positive note, it doesn't feature strong comedic elements or an extremely happy ending that would drive the Comedy Degree score higher. Hence, a score of 4 is fitting.

Here's the JSON output:

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