Question: what is the most fundamental unit of life according to the cell theory
[{'answer': 'cells', 'provenance': [{'wikipedia_id': '102858', 'title': 'Cell theory', 'start_paragraph_id': 1, 'start_character': 122, 'end_paragraph_id': 1, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '102858', 'title': 'Cell theory', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 983, 'bleu_score': 0.8610741226635661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11314013408992439253}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '102858', 'title': 'Cell theory', 'section': 'Section::::Cell theory.\n', 'start_paragraph_id': 18, 'end_paragraph_id': 18, 'meta': {'evidence_span': ['1. All living organisms are composed of one or more cells 2.', 'Credit for developing cell theory is usually given to two scientists: Theodor Schwann and Matthias Jakob Schleiden. While Rudolf Virchow contributed to the theory, he is not as credited for his attributions toward it. In 1839, Schleiden suggested that every structural part of a plant was made up of cells or the result of cells.']}}]}, {'provenance': [{'wikipedia_id': '102858', 'title': 'Cell theory', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells', 'This is usually credited to Matthias Schleiden and Theodor Schwann']}}]}, {'provenance': [{'wikipedia_id': '6339', 'title': 'Cell biology', 'section': 'Section::::Internal cellular structures.:Chemical and molecular environment.\n', 'start_paragraph_id': 8, 'end_paragraph_id': 8, 'meta': {'evidence_span': ['de up of animal, plant, fungi, and protozoa cells - the shapes are generally round and spherical or oval while for prokaryotic cells which', 'and sizes. Prokaryotic cells, lacking an enclosed nucleus, include bacteria and archaea. Prokaryotic cells are much smaller than eukaryotic cells, making prokaryotic cells the smallest form of life. Cytologists typically focus on eukaryotic cells whereas prokaryotic cells are the focus of microbiologists, but this is not always the case.']}}]}]