Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "Check out this Amazon deal: Master Chief Classic Costume, Small (4-6) by Disguise https://t.co/gfsEgAJc5k via @amazon
" STOCK: Amazon DATE: 31/08/2017
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 -0.04166666666666667.