Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "@BMW is a good product, fantastic car, PMB is slow, ineffective and a failure. Defaming a company’s logo as a way o… https://t.co/EQjm3UX02j

" STOCK: BMW DATE: 19/10/2018
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 0.12083333333333332.