Based on the news about the stock in the past five trading days, please predict the rise or fall of the stock in the next trading day. If the stock is predicted to rise in the next trading day, please output [Rise], if the stock is predicted to fall in the next trading day, please output [Decrease].

Date:2018-12-17, Stock:snap, The news for the past five days is as follows:
2018-12-10: NEWS1: Snap taps Fox exec as new communications chief.NEWS2: Nobody Silences Elon Musk and Apple's Squid Has a Butt on Its Forehead (60-Second Video).NEWS3: Facebook: Deja Vu Or A Longer-Term Issue?.NEWS4: Facebook: Deja Vu Or A Longer-Term Issue?.NEWS5: Implied IYW Analyst Target Price: $196.NEWS6: Implied IYW Analyst Target Price: $196.NEWS7: Twitter Stock Very Easily Could Push Beyond IPO Highs.NEWS8: Snap Inc. Names Julie Henderson Chief Communications Officer.NEWS9: Today's Research Reports on Trending Tickers: Snap and Yelp.
2018-12-11: NEWS1: Snap (SNAP) Gains As Market Dips: What You Should Know.NEWS2: 5 of the Best Stocks Under $10 for 2019.NEWS3: 5 of the Best Stocks Under $10 for 2019.NEWS4: MoviePass Shares Trading at Just Over 1 Cent, Google+ Shuts Down Early and Facebook Files Controversial New Patents (60-Second Video).NEWS5: 5 of the Best Stocks Under $10 for 2019.NEWS6: You can try on the latest Adidas sneaker drop on Snapchat.NEWS7: More Robots Might Mean Less Coffee, and More CBD (60-Second Video).NEWS8: At Facebook, Scandals and Slowing Growth Made for a Rocky 2018.NEWS9: At Facebook, Scandals and Slowing Growth Made for a Rocky 2018.NEWS10: Should Facebook Be Spending So Much Cash on Buybacks?.NEWS11: Should Facebook Be Spending So Much Cash on Buybacks?.
2018-12-12: NEWS1: What ‘Learn with Facebook’ Could Offer Investors.NEWS2: Today's Research Reports on Trending Tickers: Twitter and Snap.NEWS3: The Zacks Analyst Blog Highlights: Ericcson, eGain, inTest, Trivago and Snap.NEWS4: The Zacks Analyst Blog Highlights: Ericcson, eGain, inTest, Trivago and Snap.NEWS5: The Zacks Analyst Blog Highlights: Ericcson, eGain, inTest, Trivago and Snap.NEWS6: Snap (SNAP) Gains As Market Dips: What You Should Know.NEWS7: Snap (SNAP) Gains As Market Dips: What You Should Know.
2018-12-13: NEWS1: Snapchat Still Isn't Attracting Advertisers.NEWS2: Snapchat Still Isn't Attracting Advertisers.NEWS3: Snapchat Still Isn&apos;t Attracting Advertisers.NEWS4: Marketers’ use of Snapchat is on the rise — but is still a fraction of Facebook and Instagram.NEWS5: Apple Heads to Austin, Used Cars Go VR, and KFC Firelogs Are Here (60-Second Video).NEWS6: Facebook and PayPal are a match made in heaven, according to MoffettNathanson.NEWS7: Poor Leadership Continues to Fail Snap Stock.
2018-12-14: NEWS1: After Fantastic Growth, There’s Still Lots to Like About TWTR Stock.NEWS2: After Fantastic Growth, There’s Still Lots to Like About TWTR Stock.NEWS3: Video Will Make the Future of Facebook Stock Bright.NEWS4: Video Will Make the Future of Facebook Stock Bright.NEWS5: YouTube Tops the List of Most Downloaded iPhone Apps This Year.NEWS6: What Does Apple Have in Mind with Platoon Purchase?.NEWS7: Snapchat's reported IPO controversy.NEWS8: Video Will Make the Future of Facebook Stock Bright.NEWS9: Facebook Quietly Copies Mogu to Challenge Amazon.NEWS10: Facebook Quietly Copies Mogu to Challenge Amazon.NEWS11: Facebook Quietly Copies Mogu to Challenge Amazon.

Answer: Decrease