Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "RT @pfizer: Stroke can be a first sign of #AFib, which is why the BMS-Pfizer Alliance is committed to increasing awareness of the condition…

" STOCK: Pfizer DATE: 24/10/2018
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 0.25.