Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "Buy 1, get 1 at 15% off (add 2 to cart) Mix &amp; Match Any Two Items https://t.co/KpwFLQWhHi via @eBay

" STOCK: eBay DATE: 04/09/2018
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.