Based on the given story, here is the evaluation for its Tragedy Degree and Comedy Degree:

**Tragedy Degree Evaluation:**
- There are almost no tragic elements in the narrative. Marissa experiences no significant setbacks, losses, or emotional turmoil.

**Comedy Degree Evaluation:**
- The story has a generally light-hearted and joyful tone. While it is uplifting and contains elements of happiness and satisfaction, it doesn't contain explicit comedic plots or humorous events.

Thus, based on these assessments, the JSON output would be:

```json
{
  "TragedyDegree": 1,
  "ComedyDegree": 4
}
```

