Question: top 10 highest building in the world 2018
[{'answer': 'Burj Khalifa', 'provenance': [{'wikipedia_id': '338344', 'title': 'List of tallest buildings', 'start_paragraph_id': 2, 'start_character': 671, 'end_paragraph_id': 2, 'end_character': 683, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Shanghai Tower'}, {'answer': 'Ping An Finance Centre'}, {'answer': 'Lotte World Tower'}, {'answer': 'One World Trade Center', 'provenance': [{'wikipedia_id': '338344', 'title': 'List of tallest buildings', 'start_paragraph_id': 16, 'start_character': 486, 'end_paragraph_id': 16, 'end_character': 508, 'bleu_score': 1.0, 'section': 'Section::::Tallest buildings in the world.\n'}]}, {'answer': 'Guangzhou CTF Finance Centre'}, {'answer': 'Tianjin CTF Finance Centre'}, {'answer': 'China Zun'}, {'answer': 'Taipei 101', 'provenance': [{'wikipedia_id': '338344', 'title': 'List of tallest buildings', 'start_paragraph_id': 2, 'start_character': 656, 'end_paragraph_id': 2, 'end_character': 666, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Abraj Al - Bait Clock Tower'}]