谷歌放置了api json响应，显示无法获得密钥评级

I am working with google places api for nearby hotels search,in the JSON Response in case of some hotels there is "rating" key available and for some hotels the "rating" key is not available. so as the json parser cannot find the rating key for some json object-it halts parssing by giving error->I am working with google places api for nearby