Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "RT @McDonalds: The time has officially come. Try the new Sriracha Mac Sauce. For a limited time, starting tomorrow. https://t.co/CRiMBc743K
" STOCK: McDonald's DATE: 31/07/2017
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.