Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "Shandong PVC Foaming Regulator  manufactory hot sales, contact by email: shura@sanrunchem.com





@facebook @TwitterGov @link
" STOCK: Facebook DATE: 01/08/2017
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 0.25.