Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "RT @paulaike: @Xcenda Awesome week starts *tomorrow* as we share new #AMCPFdn, @Xcenda, @pfizer research on trends in health care! From soc…

" STOCK: Pfizer DATE: 21/10/2018
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 0.5852272727272727.