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:2018-12-06, Stock:PFE, The news for the past five days is as follows:
2018-11-28: NEWS1: Merck raised prices five drugs including Keytruda in November.NEWS2: Pfizer (PFE) Gains But Lags Market: What You Should Know.NEWS3: Galapagos' Osteoarthritis Candidate Gets Fast Track Status.NEWS4: Pfizer's Epilepsy Drug Lyrica Gets Pediatric Exclusivity.NEWS5: Aileron Inks Collaboration Deal With Pfizer for Cancer Combo.NEWS6: Aileron Inks Collaboration Deal With Pfizer for Cancer Combo.NEWS7: Aileron Inks Collaboration Deal With Pfizer for Cancer Combo.NEWS8: Perrigo Company (PRGO) Ex-Dividend Date Scheduled for November 29, 2018.NEWS9: Perrigo Company (PRGO) Ex-Dividend Date Scheduled for November 29, 2018.NEWS10: Pfizer To Present At Evercore ISI HealthConX Conference; Webcast At 8:45 AM ET.NEWS11: Pfizer To Present At Evercore ISI HealthConX Conference; Webcast At 8:45 AM ET.
2018-11-29: NEWS1: Why Pfizer Could Lead These Two Biotech Stocks In Tackling Amyloidosis.NEWS2: Bayer To Cut 12,000 Jobs Amid Strategic Overhaul To Focus On Pharma.NEWS3: Dow Movers: INTC, MCD.NEWS4: Dow Movers: INTC, MCD.NEWS5: Bayer to sell businesses, cut jobs after Monsanto deal.NEWS6: Pfizer (PFE) Up 4.3% Since Last Earnings Report: Can It Continue?.NEWS7: Pfizer (PFE) Up 4.3% Since Last Earnings Report: Can It Continue?.NEWS8: Pfizer (PFE) Up 4.3% Since Last Earnings Report: Can It Continue?.NEWS9: Roche (RHHBY) to Acquire Jecure and Enter the NASH Space.NEWS10: 4 Big Pharma Stocks to Add to Your Portfolio in December.NEWS11: Pfizer (PFE) Gains But Lags Market: What You Should Know.NEWS12: Pfizer (PFE) Gains But Lags Market: What You Should Know.NEWS13: Pfizer's Epilepsy Drug Lyrica Gets Pediatric Exclusivity.NEWS14: Pfizer's Epilepsy Drug Lyrica Gets Pediatric Exclusivity.NEWS15: Galapagos' Osteoarthritis Candidate Gets Fast Track Status.NEWS16: Galapagos' Osteoarthritis Candidate Gets Fast Track Status.
2018-11-30: NEWS1: U.S. Stocks Sprint Ahead to End a Blockbuster Week.NEWS2: Stock Market Stages Bullish Reversal To Cap Week With Big Gains.NEWS3: Pfizer Stock Edges Into Buy Zone On AbbVie Deal For Humira Biosimilar.NEWS4: Pfizer Is in Breakout-Mode This Fall: Chart.NEWS5: Understanding Array BioPharma’s Operational Performance.NEWS6: Analysts Remain Bullish on Array BioPharma Stock.NEWS7: An Overview of Array BioPharma Stock.NEWS8: Bulls shop for TJX. Plus, the trade on Pfizer.NEWS9: How to Invest in Global Wide Moat Stocks.NEWS10: Pfizer Reaches a Global Agreement with AbbVie.NEWS11: Dow 30 Stock Roundup: BA's $383M Modification Contract, MSFT's Army Contract.NEWS12: Dow 30 Stock Roundup: BA's $383M Modification Contract, MSFT's Army Contract.NEWS13: Pfizer Reaches Analyst Target Price.NEWS14: Pfizer Reaches Analyst Target Price.NEWS15: See what the IHS Markit Score report has to say about Pfizer Inc..NEWS16: Dow 30 Stock Roundup: BA's $383M Modification Contract, MSFT's Army Contract.NEWS17: Pfizer Reaches Global Agreement With AbbVie; To Withdraw Pending Litigation.NEWS18: Pfizer Reaches Global Agreement With AbbVie; To Withdraw Pending Litigation.
2018-12-03: NEWS1: Monday’s Vital Data: Pfizer, Goldman Sachs and Caterpillar.NEWS2: Monday’s Vital Data: Pfizer, Goldman Sachs and Caterpillar.NEWS3: XLV, PFE, MRK, ABBV: ETF Inflow Alert.NEWS4: XLV, PFE, MRK, ABBV: ETF Inflow Alert.NEWS5: AbbVie Settles With Pfizer for Humira Biosimilar in U.S..NEWS6: AbbVie Settles With Pfizer for Humira Biosimilar in U.S..NEWS7: DARE: Ovaprene PCT Continues. TS Content Validity Study, Thermographic Study Underway.NEWS8: AbbVie Settles With Pfizer for Humira Biosimilar in U.S..NEWS9: Monday’s Vital Data: Pfizer, Goldman Sachs and Caterpillar.
2018-12-04: NEWS1: Pfizer (PFE) Stock Moves -1.78%: What You Should Know.NEWS2: How IBM Is Investing in AI Solutions.NEWS3: 3 Big Pharma Stocks Hitting 52-Week Highs -- Are They Buys?.NEWS4: 3 Big Pharma Stocks Hitting 52-Week Highs -- Are They Buys?.NEWS5: [$$] CEOs question the bite behind the bark of Trump’s tweets.NEWS6: 3 Big Pharma Stocks Hitting 52-Week Highs -- Are They Buys?.

Answer: Decrease