请使用json格式回答明天要带些什么去野餐？
user
{
  "items": [
    {"category": "Food", "items": ["sandwiches", "fruit", "snacks", "water bottles"]},
    {"category": "Utensils", "items": ["plates", "cups", "utensils"]},
    {"category": "Furniture", "items": ["blanket", "chairs"]},
    {"category": "Hygiene", "items": ["hand sanitizer", "wet wipes"]},
    {"category": "Entertainment", "items": ["books", "games"]}
  ]
}
assistant