Determine the sentiment of the following message with either a negative, slightly negative, neutral, slightly positive, or positive sentiment. The output format below is in JSON, which you should use when answering. Example format: {"Sentiment": (this will be provided by you), "Rationale": (this will also be provided by you), "Company Name":(this will also be provided by you, if no company write NULL),"Stock Symbol":(this will also be provided by you, if no stock write NULL)}. Here is the news headline I would like you to perform sentiment analysis on: "China bans youtube"

 I want the entire output in JSON format.
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