用户的问题是“最近湖边公园的樱花开了吗？”，并且要求以一种精确、冷静、科技风格的语气回答，遵循json结构，并且使用英文字符回答。
user
```json
{
  "location": "Lake Park",
  "observation_date": "2023-04-05",
  "observation_time": "14:30",
  "flower_status": "yes",
  "additional_details": {
    "flower_type": "cherry blossoms",
    "blossom_percentage": "80",
    "population_density": "moderate",
    "weather_conditions": "partly cloudy"
  }
}
```
assistant