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:2019-08-23, Stock:PFE, The news for the past five days is as follows:
2019-08-16: NEWS1: How AbbVie Plans To Take On Pfizer, Lilly — And Kick Its Humira Habit.NEWS2: Pharma Stock Roundup: Pipeline/Regulatory Updates From JNJ, LLY, AZN, RHHBY.NEWS3: Pharma Stock Roundup: Pipeline/Regulatory Updates From JNJ, LLY, AZN, RHHBY.NEWS4: VONV, DIS, PFE, VZ: Large Outflows Detected at ETF.NEWS5: VONV, DIS, PFE, VZ: Large Outflows Detected at ETF.NEWS6: Pharma Stock Roundup: Pipeline/Regulatory Updates From JNJ, LLY, AZN, RHHBY.NEWS7: What Has Led Bristol-Myers Squibb's Stock To Fall More Than 35% Over The Last 3 Years?.NEWS8: What Has Led Bristol-Myers Squibb's Stock To Fall More Than 35% Over The Last 3 Years?.NEWS9: Health Care Sector Update for 08/16/2019: ARAY, TTOO, JNJ, PFE, ABT, MRK, AMGN.NEWS10: Health Care Sector Update for 08/16/2019: ARAY, TTOO, JNJ, PFE, ABT, MRK, AMGN.
2019-08-19: NEWS1: Monday's ETF with Unusual Volume: IXJ.NEWS2: Monday's ETF with Unusual Volume: IXJ.NEWS3: Obesity Epidemic Leads To A New Problem — And It Could Be Worth Billions.NEWS4: Solid Biosciences Surges on DMD Gene Therapy Study Amendments.NEWS5: Solid Biosciences Surges on DMD Gene Therapy Study Amendments.NEWS6: Health Care Sector Update for 08/19/2019: CHEK, VIVE, VNDA, JNJ, PFE, ABT, MRK, AMGN.NEWS7: Health Care Sector Update for 08/19/2019: CHEK, VIVE, VNDA, JNJ, PFE, ABT, MRK, AMGN.NEWS8: Solid Biosciences Surges on DMD Gene Therapy Study Amendments.NEWS9: Pfizer (NYSE:PFE) Shareholders Have Enjoyed A 20% Share Price Gain.
2019-08-20: NEWS1: Bayer Sells Animal Health Division to Elanco: Now What?.NEWS2: 3 Great Active Mutual Funds for the Current Environment.NEWS3: 3 Great Active Mutual Funds for the Current Environment.NEWS4: 3 Healthcare Stocks to Trade: UNH, JNJ and PFE.NEWS5: Pfizer-backed cancer treatment innovator SpringWorks eyes $115M IPO.NEWS6: 3 Great Active Mutual Funds for the Current Environment.NEWS7: Dow Inc., American Express share losses contribute to Dow's nearly 75-point drop.NEWS8: Sarepta Stock Falls as FDA Denies Approval to Golodirsen.NEWS9: Sarepta Stock Falls as FDA Denies Approval to Golodirsen.NEWS10: Exelixis (EXEL) Stock Up 15.2% YTD on Strong Cabometyx Sales.NEWS11: Exelixis (EXEL) Stock Up 15.2% YTD on Strong Cabometyx Sales.NEWS12: Parents Push One Rare-Disease Drug Through FDA, Not Its Successor.NEWS13: Exelixis (EXEL) Stock Up 15.2% YTD on Strong Cabometyx Sales.NEWS14: Sarepta Stock Falls as FDA Denies Approval to Golodirsen.NEWS15: Health Care Sector Update for 08/20/2019: SYBX, SRPT, MDT, JNJ, PFE, MRK, ABT, AMGN.NEWS16: Health Care Sector Update for 08/20/2019: SYBX, SRPT, MDT, JNJ, PFE, MRK, ABT, AMGN.NEWS17: Deciphera Pharmaceuticals: Buy at the High?.NEWS18: Deciphera Pharmaceuticals: Buy at the High?.NEWS19: The Pfizer Foundation Invests in 20 Organizations Tackling Infectious Diseases and Antimicrobial Resistance.
2019-08-21: NEWS1: Pfizer Digs Deeper Into Gene Therapy, Rivaling These Biotech Stocks.NEWS2: Record Stock Buybacks Fueled by Debt and Cash.NEWS3: Health Care Sector Update for 08/21/2019: NVTA,BIIB,ALT,PFE,ALC.NEWS4: Health Care Sector Update for 08/21/2019: NVTA,BIIB,ALT,PFE,ALC.NEWS5: Health Care Sector Update for 08/21/2019: ALT,PFE,ALC.NEWS6: Health Care Sector Update for 08/21/2019: ALT,PFE,ALC.NEWS7: Trade of the Day: Pfizer Stock Is Flashing Attractive Buy Signals.NEWS8: Trade of the Day: Pfizer Stock Is Flashing Attractive Buy Signals.NEWS9: U.S. FDA Grants XTANDI® (enzalutamide) Application Priority Review for the Treatment of Men with Metastatic Hormone-Sensitive Prostate Cancer.NEWS10: Gene Therapy Battle Heats Up: Will Pfizer Overwhelm Its Biotech Rivals?.NEWS11: Gene Therapy Battle Heats: Will Pfizer Overwhelm Its Biotech Rivals?.NEWS12: AstraZeneca's Imfinzi Fails in Stage IV Lung Cancer Study.NEWS13: AstraZeneca's Imfinzi Fails in Stage IV Lung Cancer Study.NEWS14: Teva Launches Generic Version of Mylan's EpiPen for KIds.NEWS15: Teva Launches Generic Version of Mylan's EpiPen for KIds.NEWS16: Pfizer invests $500 million in expanding gene therapy facility.NEWS17: Bayer Inks $7.6B Deal to Divest Animal Health Unit to Elanco.NEWS18: Bayer Inks $7.6B Deal to Divest Animal Health Unit to Elanco.NEWS19: Teva Launches Generic Version of Mylan's EpiPen for KIds.NEWS20: AstraZeneca's Imfinzi Fails in Stage IV Lung Cancer Study.NEWS21: Pfizer invests $500 million in expanding gene therapy facility.NEWS22: Pfizer to build $500M facility in Sanford, create hundreds of jobs.NEWS23: Pfizer to build $500 million facility in Sanford, create hundreds of jobs.NEWS24: Pfizer Invests Half Billion Dollars to Advance State-of-the-Art Gene Therapy Facility in Sanford, North Carolina.NEWS25: Health Care Sector Update for 08/21/2019: CERC, ALC, ALT, JNJ, PFE, ABT, MRK, AMGN.NEWS26: Health Care Sector Update for 08/21/2019: CERC, ALC, ALT, JNJ, PFE, ABT, MRK, AMGN.NEWS27: Trade of the Day: Pfizer Stock Is Flashing Attractive Buy Signals.NEWS28: Bayer Inks $7.6B Deal to Divest Animal Health Unit to Elanco.NEWS29: Bayer Sells Animal Health Division to Elanco: Now What?.NEWS30: Bayer Sells Animal Health Division to Elanco: Now What?.NEWS31: 3 Healthcare Stocks to Trade: UNH, JNJ and PFE.NEWS32: 3 Healthcare Stocks to Trade: UNH, JNJ and PFE.
2019-08-22: NEWS1: Pfizer's Xtandi Label Expansion Filing Gets Priority Review.NEWS2: Pfizer's Xtandi Label Expansion Filing Gets Priority Review.NEWS3: Health insurers will expand ACA coverage in 2020.NEWS4: Jim Cramer Weighs In On Pfizer, Teva And More.NEWS5: Pfizer's Xtandi Label Expansion Filing Gets Priority Review.NEWS6: Glaxo Submits First Regulatory Application for Daprodustat.NEWS7: 3 Dividend Stocks That Pay Better Than Coca-Cola.NEWS8: 3 Dividend Stocks That Pay Better Than Coca-Cola.NEWS9: 3 Dividend Stocks That Pay Better Than Coca-Cola.

Answer: Decrease