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:2021-05-19, Stock:snap, The news for the past five days is as follows:
2021-05-12: NEWS1: Snapchat wants a piece of the social marketplace.
2021-05-13: NEWS1: 2 Growth Tech Stocks to Buy at a Discount Despite Inflation and Volatility.NEWS2: Twitter Picks Up Acquisition Pace, Driven by New Product Push.
2021-05-14: nan
2021-05-17: NEWS1: UPDATE 1-Snap to cut emissions, achieves carbon neutrality in new climate strategy.NEWS2: How Snapchat’s New Comedy About a Bipolar College Student Landed Pete Wentz as Music Director.NEWS3: Snap to cut emissions, achieves carbon neutrality in new climate strategy.NEWS4: The Zacks Analyst Blog Highlights: Roku, Netflix, Sonos, Snap and Facebook.
2021-05-18: nan

Answer: Rise