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## Description
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## DCO Affirmation
I affirm that all code in every commit of this pull request conforms to
the terms of the Topoteretes Developer Certificate of Origin
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## Summary by CodeRabbit
- **Bug Fixes**
- Improved data handling by updating the dataset file path and ensuring
answers are consistently converted to lowercase for reliable processing.
- **Tests**
- Introduced unit tests to validate that data adapters instantiate
correctly, return non-empty content, and respect specified limits.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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Co-authored-by: Igor Ilic <30923996+dexters1@users.noreply.github.com>
Co-authored-by: Boris <boris@topoteretes.com>
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