根据 json 获得 answer

POST

/product/answer/json

请求参数说明

http://server/product/answer/json
{
    "score": 0,
    "city.key": "滑铁卢",
    "intentid": "5c8becb7287e6a15e893bcb9"
}

参数 POST: json的intent和entity信息

{
    "sentence": "滑铁卢天气挺好的",
    "score": 0,
    "name": "forecast",
    "intentid": "5c8becb7287e6a15e893bcb9"
}

返回 answer的sentence和score