Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "I finally start a new chapter, honored to start working for one of the best in the world. - Thank you @BMW https://t.co/az4I6loJFQ
" STOCK: BMW DATE: 28/02/2017
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 0.3787878787878787.