Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "Join us for a live webinar with @Cisco &amp; @verizon on September 13 at 12 PM ET "Network Modernization: a TDM to IP S… https://t.co/NYbdTNLNAU

" STOCK: Cisco DATE: 10/09/2018
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 0.13636363636363635.