Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "So excited to be reading this by #IanMcFarland, which arrived today from @amazon! #originalsin #atonement #goodnews https://t.co/SVFqa5MHMj

" STOCK: Amazon DATE: 30/10/2018
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 0.46875.