Notebook update to extracted extra examples with PERSON instances

[exfalsoquodlibet]

Should be a quick review. Expanded notebooks/strata/003_Get_extra_phase1_entity_examples.ipynb to extract extra examples containing PERSON entity types.

Checklists

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• [x] code runs
• [ ] developments are ethical and secure
• [ ] you have made proportionate checks that the code works correctly
• [ ] test suite passes
• [ ] developments adhere to AQA plan (see docs/aqa/aqa_plan.md)
• [ ] data log updated (see docs/aqa/data_log.md), if necessary
• [ ] assumptions, and caveats log updated (see docs/aqa/assumptions_caveats.md), if necessary
• [ ] minimum usable documentation written in the docs folder

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