Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "RT @LizSzabo: Kristen stopped taking an expensive cancer drug a week ago b/c  its manufacturer, @AstraZeneca, declined her request for fina…

" STOCK: AstraZeneca DATE: 29/10/2018
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 -0.5.