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:2018-05-21, Stock:PM, The news for the past five days is as follows:
2018-05-14: NEWS1: The Zacks Analyst Philip Morris, ConocoPhillips, Alibaba, Activision Blizzard and Marriott.NEWS2: The Zacks Analyst Philip Morris, ConocoPhillips, Alibaba, Activision Blizzard and Marriott.NEWS3: Vanguard Growth ETF Experiences Big Inflow.NEWS4: Vanguard Growth ETF Experiences Big Inflow.NEWS5: The Zacks Analyst Philip Morris, ConocoPhillips, Alibaba, Activision Blizzard and Marriott.
2018-05-15: NEWS1: Is your e-cigarette collecting data on you?.NEWS2: Stock drag lower, US/China trade war tensions heighten.NEWS3: Special Report: Philip Morris device knows a lot about your smoking habit.NEWS4: Philip Morris International Sustainability Report Shows Relentless Business Shift toward Smoke-Free Future.
2018-05-16: NEWS1: Philip Morris Targets Aging Japan Smokers With Cultural Spin.NEWS2: Philip Morris CEO Says IQos Needs Cultural, Rural Spin for Japan.NEWS3: Wednesday 5/16 Insider Buying Report: PM, CTL.NEWS4: Wednesday 5/16 Insider Buying Report: PM, CTL.
2018-05-17: NEWS1: Philip Morris Insiders Make Biggest Stock Buys in Years.
2018-05-18: NEWS1: Government proposal leaves markets gasping -- and Italians vaping.NEWS2: Will Altria (MO) Stock Recover on RRPs and Shareholder Moves?.NEWS3: Will Altria (MO) Stock Recover on RRPs and Shareholder Moves?.

Answer: Decrease