Question: which search uses only the linear space for searching
[{'answer': 'Linear search algorithms', 'provenance': [{'wikipedia_id': '28249', 'title': 'Search algorithm', 'start_paragraph_id': 20, 'start_character': 75, 'end_paragraph_id': 20, 'end_character': 99, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28249', 'title': 'Search algorithm', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 784, 'bleu_score': 0.984188478234951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17580373321740423172}, 'section': 'Section::::Abstract.'}]}]