Question: when is a data point considered an outlier
[{'answer': 'distant from other observations'}, {'provenance': [{'wikipedia_id': '160951', 'title': 'Outlier', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 244, 'bleu_score': 0.7805137304190031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6679871064090942817}, 'section': 'Section::::Abstract.'}]}]