1. **Issue in Version Setup**
```json
{
    "issue": "Unfinished task to set up version",
    "evidence": "# {TODO}: Set up version.",
    "description": "A placeholder comment indicates an unfinished task to set up the version. Specifying the current dataset version is crucial and has not been finalized in the script."
}
```

2. **Issue in Downloading Data**
```json
{
    "issue": "Unfinished task in data downloading and splitting",
    "evidence": "# {TODO}: Downloads the data and defines the splits",
    "description": "A placeholder comment shows that the functionality to download and define data splits is incomplete. It should include checking file integrity, defining training/testing splits, and handling errors."
}
```

3. **Issue in Generating Examples**
```json
{
    "issue": "Unfinished task in generating examples",
    "evidence": "# {TODO}: Yields (key, example) tuples from the dataset",
    "description": "A comment indicates an unfinished task related to yielding examples. The function should ensure proper error handling and data validation to meet expected standards."
}
```

These issues highlight key areas needing attention to ensure the script functions correctly and adheres to dataset handling conventions.