Question: what are some examples of a primary consumer
[{'answer': 'herbivores', 'provenance': [{'wikipedia_id': '24213794', 'title': 'Consumer (food chain)', 'start_paragraph_id': 1, 'start_character': 473, 'end_paragraph_id': 1, 'end_character': 483, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24213794', 'title': 'Consumer (food chain)', 'start_paragraph_id': 4, 'start_character': 509, 'end_paragraph_id': 4, 'end_character': 1051, 'bleu_score': 0.728957211180391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18272281248787199733}, 'section': 'Section::::Levels of the food chain.\n'}]}]