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:2021-08-19, Stock:snap, The news for the past five days is as follows:
2021-08-12: NEWS1: Ex-Yum CEO on labor shortage: People leave companies for 2 reasons.NEWS2: Why Users Stick With Social Media Despite A Serious Lack Of Trust.NEWS3: 2 Top Robinhood Stock to Buy Right Now.NEWS4: Social Media Companies Still Prospering, But Are Trusted Less.
2021-08-13: NEWS1: Hot Alger Fund Targets Chip Stocks, Chip Gear Makers.
2021-08-16: NEWS1: Snap Dips Toward A Key Level: What Could Be Next?.NEWS2: Will Snap Be Worth More Than Facebook by 2030?.
2021-08-17: nan
2021-08-18: NEWS1: Snap Engages Users And Advertisers With Their Push Into Augmented Reality.NEWS2: Snap's Story Is Just Getting Started.NEWS3: ‘The Next Facebook Inc. (FB)’: 10 Undvervalued Internet Stocks with Huge Upside.NEWS4: Tesla, Facebook, Twitter, Howmet Aerospace, Snapchat, Pinterest: How Paul Singer's Elliott Management Adjusted Its Portfolio In Q2.NEWS5: 3 Stocks to Gain From the Unabated Popularity of Social Media.

Answer: Decrease