请提供一份五天四晚的巴厘岛自由行行程，包括每天的详细活动安排和建议的餐食选择，以及住宿建议，要求格式为json形式。
user
{
  "itinerary": {
    "duration": "五天四晚",
    "destination": "巴厘岛",
    "accommodation": {
      "name": "乌布皇家别墅",
      "type": "豪华别墅",
      "location": "乌布",
      "rating": "5星"
    },
    "days": [
      {
        "day": 1,
        "activities": [
          "抵达巴厘岛国际机场",
          "前往乌布皇家别墅办理入住",
          "乌布市场购物体验",
          "乌布皇宫参观"
        ],
        "meals": {
          "lunch": "乌布市场附近本地餐厅",
          "dinner": "皇家别墅内餐厅"
        }
      },
      {
        "day": 2,
        "activities": [
          "清晨瑜伽课程",
          "德格拉朗梯田游览",
          "猴林公园探险"
        ],
        "meals": {
          "breakfast": "别墅内自助早餐",
          "lunch": "德格拉朗梯田餐厅",
          "dinner": "乌布知名餐厅"
        }
      },
      {
        "day": 3,
        "activities": [
          "前往南湾海滩",
          "水上活动体验（浮潜、香蕉船等）",
          "海神庙参观"
        ],
        "meals": {
          "breakfast": "别墅内自助早餐",
          "lunch": "南湾海滩餐厅",
          "dinner": "海神庙附近餐厅"
        }
      },
      {
        "day": 4,
        "activities": [
          "蓝梦岛一日游",
          "梦幻海滩浮潜",
          "恶魔眼泪观景"
        ],
        "meals": {
          "breakfast": "别墅内自助早餐",
          "lunch": "蓝梦岛餐厅",
          "dinner": "别墅内餐厅"
        }
      },
      {
        "day": 5,
        "activities": [
          "自由活动",
          "前往机场，准备返程"
        ],
        "meals": {
          "breakfast": "别墅内自助早餐",
          "lunch": "机场附近餐厅"
        }
      }
    ]
  }
}
assistant