We wish to perform sentiment analysis on news headlines in the context of US financial markets (i.e. determining a positive or negative impact on general large-cap stock prices). Determine the sentiment of the following message with either a negative, slightly negative, neutral, slightly positive, or positive sentiment. Use the following format below.

Example format:
Sentiment: (this will be provided by you)
Rationale: (this will also be provided by you)

News headline: 'China bans youtube' Do not include the following keywords: sentiment, message, format, us
user