请帮我找出关键词在这段话中的具体位置：关键是中国共产党具有历史和人民赋予的权威性。
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{"key1": "关键", "start1": 0, "end1": 2, "key2": "中国共产党", "start2": 2, "end2": 8, "key3": "历史", "start3": 9, "end3": 11, "key4": "人民", "start4": 12, "end4": 14, "key5": "权威性", "start5": 19, "end5": 22}
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