Question: neurons contain which can receive signals from other neurons
[{'answer': 'dendrites', 'provenance': [{'wikipedia_id': '21120', 'title': 'Neuron', 'start_paragraph_id': 3, 'start_character': 49, 'end_paragraph_id': 3, 'end_character': 58, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]