Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "RT @Groupon: @ItB3Jessacuh Soo, you're saying this a good time to introduce our Groupon+ cashback program? https://t.co/ubtakobar1

" STOCK: Groupon DATE: 23/10/2018
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 0.7.