Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "Via @Reuters: Congress grills Facebook, Twitter over foreign bids to tilt politics https://t.co/A4RHN06l9O https://t.co/nnVHqELyBc

" STOCK: Reuters DATE: 05/09/2018
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 -0.125.