Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "@vijayanands  Facebook to add new feature to locate blood donors in India 





https://t.co/mDoyChO2MU @facebook
" STOCK: Facebook DATE: 29/09/2017
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 0.13636363636363635.