Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "RT @Audi: Preflight checklist:





✔ 400 horsepower 





✔ Ceramic brakes





✔ quattro https://t.co/Rqew3V2WJc
" STOCK: Audi DATE: 30/11/2017
Sentiment: (Provide sentiment here)
Explanation: The tweet sentiment is related to the stock mentioned, and it's important to interpret the context. The LSTM polarity score is -1 and the TextBlob polarity score is 0.0.