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

```json
{
  "TragedyDegree": 1,
  "ComedyDegree": 5
}
```

**Explanation:**

- **Tragedy Degree (1):** The story contains almost no tragic elements. It is light-hearted and focuses on the positive relationship between the siblings without any emotional setbacks or profound tragedy.

- **Comedy Degree (5):** The story has some comedic elements, such as the playful game of Memory and the light-hearted teasing between the siblings. It is relatively light-hearted, but it does not have an extremely happy ending with strong comedic aspects. The overall tone is more heartwarming than comical.
