Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "@AmericanExpress have you thought of making the Gold Card a metal luxury card? May entice more, especially head to… https://t.co/bJw9zGWbFO

" STOCK: American Express DATE: 07/09/2018
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 0.0.