请告诉我一份健康早餐的建议，并以JSON格式输出，JSON中必须包含三个不同类型的食物。
user
{
  "breakfast": [
    {
      "type": "cereal",
      "name": " oatmeal",
      "serving": "1 cup",
      "calories": 150
    },
    {
      "type": "fruit",
      "name": "apple",
      "serving": "1 medium",
      "calories": 95
    },
    {
      "type": "protein",
      "name": "Greek yogurt",
      "serving": "1 cup",
      "calories": 150
    }
  ]
}
assistant