Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "Check out 【F/S EXC+++++】Mamiya Sekor 150mm f/5.6 W/ Hood for Universal Press from JP 0933 #Mamiya https://t.co/SOj9lyRw0H 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.