Question: south african tree with thorns on the trunk
[{'answer': 'silk floss tree'}, {'provenance': [{'wikipedia_id': '2646470', 'title': 'Ceiba speciosa', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11043908592410784939}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2646470', 'title': 'Ceiba speciosa', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 507, 'bleu_score': 0.97451705556073, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11043908592410784939}, 'section': 'Section::::Uses.\n'}]}, {'provenance': [{'wikipedia_id': '2646470', 'title': 'Ceiba speciosa', 'section': 'Section::::Uses.\n', 'start_paragraph_id': 12, 'start_character': 258, 'end_paragraph_id': 12, 'end_character': 324, 'bleu_score': 1.0}]}]