Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "MarTech Today: @Google launches AdLingo, @InMobi buys @Sprint’s ad firm &amp; Fullscreen offers a @YouTube brand safety… https://t.co/uY6mRKugf2

" STOCK: Google DATE: 18/10/2018
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 -0.05.