Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "Xiaomi Mi5s 5.15&amp;#034; screen Mobile phone 4GB Ram 32GB Rom Dual SIM Smartphone Gold https://t.co/NDGHMngL7m via @eBay" STOCK: nan DATE: nan
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 nan and the TextBlob polarity score is nan.