Question: what are the 4 climate zones of africa
[{'answer': 'equatorial climate', 'provenance': [{'wikipedia_id': '30882307', 'title': 'Climate of Africa', 'start_paragraph_id': 1, 'start_character': 57, 'end_paragraph_id': 1, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'tropical wet and dry climate', 'provenance': [{'wikipedia_id': '30882307', 'title': 'Climate of Africa', 'start_paragraph_id': 1, 'start_character': 81, 'end_paragraph_id': 1, 'end_character': 109, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'tropical monsoon climate', 'provenance': [{'wikipedia_id': '30882307', 'title': 'Climate of Africa', 'start_paragraph_id': 1, 'start_character': 115, 'end_paragraph_id': 1, 'end_character': 139, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'semi-desert climate', 'provenance': [{'wikipedia_id': '30882307', 'title': 'Climate of Africa', 'start_paragraph_id': 1, 'start_character': 145, 'end_paragraph_id': 1, 'end_character': 164, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'desert climate', 'provenance': [{'wikipedia_id': '30882307', 'title': 'Climate of Africa', 'start_paragraph_id': 1, 'start_character': 150, 'end_paragraph_id': 1, 'end_character': 164, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'subtropical highland climate', 'provenance': [{'wikipedia_id': '30882307', 'title': 'Climate of Africa', 'start_paragraph_id': 1, 'start_character': 228, 'end_paragraph_id': 1, 'end_character': 256, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]