Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "RT @PlayStation: FIFA 18 is out now! Pick it up along with a 1TB PS4 in this new bundle, available now at @Walmart https://t.co/hQJRD3srZV
" STOCK: Walmart DATE: 29/09/2017
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.