Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "Thanks to @RevenueCycle, Debbie Ewbank can do a little Riverwalk shopping with a $100 @AmericanExpress gift card.  … https://t.co/BwpL7NpWSs

" STOCK: American Express 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 0.006250000000000006.