Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "@AskAmex @AmericanExpress IS THE WORST !! Done , done &amp; DONE. So much hassle to get the paperwork to pay off a card IN FULL !! #BS
" STOCK: American Express DATE: 28/04/2017
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 -1.0.