Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "@JohnLegere @TMobileHelp @TMobile I am seriously disappointed with iPhone Xs performance on t-mobile network, it wo… https://t.co/r7NFnK9exI

" STOCK: TMobile 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 -0.75.