Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "RT @TMobile: Happy Halloween! Submit your costume pics with #Thankenstein + #Contest to win a spooky trip to London, plus other… 
" STOCK: TMobile DATE: 31/10/2017
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.