Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "RT @Cisco: Cisco Head of Blockchain @Anannra talks planes, trains and #blockchain. Discover IoT at the intersection:… 
" STOCK: Cisco 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 0.0.