Question: enzymes are an example of which type of macromolecule
[{'answer': 'Enzymes', 'provenance': [{'wikipedia_id': '106231', 'title': 'Macromolecule', 'start_paragraph_id': 24, 'start_character': 495, 'end_paragraph_id': 24, 'end_character': 502, 'bleu_score': 1.0, 'section': 'Section::::Linear biopolymers.:Structural features.:Proteins are optimised for catalysis.\n'}]}, {'provenance': [{'wikipedia_id': '106231', 'title': 'Macromolecule', 'start_paragraph_id': 24, 'start_character': 0, 'end_paragraph_id': 24, 'end_character': 804, 'bleu_score': 0.983401048538667, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4774485578829330930}, 'section': 'Section::::Linear biopolymers.:Structural features.:Proteins are optimised for catalysis.\n'}]}]