Based on the story provided, here is the evaluation in JSON format:

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

**Reasoning:**
- **Tragedy Degree:**
  - The story contains almost no tragic elements. It describes a delightful day in Lila's life where she attends a bookstore opening, makes a new friend, and finds joy in her experiences.
  
- **Comedy Degree:**
  - While the story is heart-warming and pleasant, it doesn’t contain strong comedic elements or an extremely happy ending. It does have some light-hearted and joyful moments, especially Lila's interactions with Eleanor and the serendipitous nature of their meeting. Hence, it scores moderately on the comedy scale.
