Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "RT @r00t0vi4: Vulnreport is an open-source pentesting management and automation platform by @salesforce





https://t.co/yjVRafr3Ar… 
" STOCK: salesforce.com DATE: 31/07/2017
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.