Question: where do axon terminals of olfactory receptor cells synapse
[{'answer': 'glomerulus', 'provenance': [{'wikipedia_id': '648505', 'title': 'Glomerulus (olfaction)', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '648505', 'title': 'Glomerulus (olfaction)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 400, 'bleu_score': 0.9657992495762461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15176951317955377715}, 'section': 'Section::::Abstract.'}]}]