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:2021-02-17, Stock:snap, The news for the past five days is as follows:
2021-02-09: NEWS1: Twitter Reports Strong Earnings but Its Costs Are Mounting.NEWS2: Snap is Yahoo Finance’s premium investment of the day.NEWS3: Snapchat encourages users to remove friends for their own safety.
2021-02-10: NEWS1: Snap Hires Facebook Veteran Doug Frisbie as Head of Business Marketing.NEWS2: Twitter Jumps Most in a Year After Sales Top Estimates.NEWS3: Snap Partners With ShareChat's Moj App To Tap Indian AR Market.NEWS4: Will you be forced to pay for Twitter this year?.NEWS5: Zoom cat filter: How to use feature that led lawyer to declare ‘I am not a cat’ in hilarious video – and how to turn it off.
2021-02-11: nan
2021-02-12: NEWS1: 15 Biggest VC Companies in the World.
2021-02-16: NEWS1: Twitter Closes at Record as Advertising Market Recovers.

Answer: Decrease