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 iPhone 7 Waterproof Case, Sports Easy carrying case, Underwater Waterproof Case, https://t.co/gtCGriDQXw @eBay
" STOCK: eBay DATE: 30/06/2017
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 0.43333333333333335.