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:2019-02-07, Stock:PFE, The news for the past five days is as follows:
2019-01-31: NEWS1: Nasdaq Closes Out Best Month Since 2011.NEWS2: Nasdaq Closes Out Best Month Since 2011.NEWS3: Merck's Pneumococcal Vaccine Gets Breakthrough Therapy Status.NEWS4: Merck's Pneumococcal Vaccine Gets Breakthrough Therapy Status.NEWS5: Merck's Pneumococcal Vaccine Gets Breakthrough Therapy Status.NEWS6: Dow Movers: DWDP, PFE.NEWS7: Dow Movers: DWDP, PFE.NEWS8: Pfizer Stock’s ‘Dark Period’ Might Finally Be Over.NEWS9: Pfizer: Ibrance and Xtandi Are Key Oncology Assets.NEWS10: Pfizer Rises 3%.NEWS11: Health Care Sector Update for 01/31/2019: SCYX, PULM, BAX, JNJ, PFE, ABT, MRK, AMGN.NEWS12: Health Care Sector Update for 01/31/2019: SCYX, PULM, BAX, JNJ, PFE, ABT, MRK, AMGN.NEWS13: Oncology Portfolio: Pfizer’s Key Growth Driver in Fiscal 2018.NEWS14: See what the IHS Markit Score report has to say about Pfizer Inc..NEWS15: Pfizer’s Expenses Are Expected to Rise in Fiscal 2019.NEWS16: Why are deep-pocketed biotechs cutting hundreds of jobs?.NEWS17: What Should Apple Do With Its Cash?.NEWS18: What Should Apple Do With Its Cash?.NEWS19: Jim Cramer: When Is a Miss Not a Miss?.
2019-02-01: NEWS1: Top Analyst Reports for Boeing, Thermo Fisher & Anthem.NEWS2: Top Analyst Reports for Boeing, Thermo Fisher & Anthem.NEWS3: Top Analyst Reports for Boeing, Thermo Fisher & Anthem.NEWS4: Dow 30 Stock Roundup: MCD, BA, 3M, MSFT, PFE, V Earnings Impress.NEWS5: Pharma Catches Another Case Of M&A Fever.NEWS6: Health Care Sector Update for 02/01/2019: TTNP, CTIC, OPK, JNJ, PFE, MRK, ABT, AMGN.NEWS7: Health Care Sector Update for 02/01/2019: TTNP, CTIC, OPK, JNJ, PFE, MRK, ABT, AMGN.NEWS8: Pfizer Receives Positive CHMP Opinion for Vizimpro® (dacomitinib) for the First-line Treatment of Adult Patients with Locally Advanced Or Metastatic Non-Small Cell Lung Cancer with EGFR-Activating Mutations.NEWS9: Dow 30 Stock Roundup: MCD, BA, 3M, MSFT, PFE, V Earnings Impress.NEWS10: Pharma Stock Roundup: Q4 Earnings, Pipeline Updates at PFE, RHHBY.NEWS11: Watch These Healthcare Stocks in First Week of February.NEWS12: Xeljanz: Pfizer’s Key Immunology Asset in Fiscal 2019.NEWS13: Pfizer Gets Positive CHMP Opinion For Vizimpro 45 Mg.NEWS14: Pfizer Gets Positive CHMP Opinion For Vizimpro 45 Mg.
2019-02-04: NEWS1: 7 Top Gainers In Healthcare Sector (ALRN, APHA, INSY...).NEWS2: 7 Top Gainers In Healthcare Sector (ALRN, APHA, INSY...).NEWS3: What Are Analysts Recommending for Merck after Q4 2018 Results?.NEWS4: Dow Movers: PFE, AAPL.NEWS5: Dow Movers: PFE, AAPL.NEWS6: Pfizer's (PFE) New Lung Cancer Drug Vizimpro Gets CHMP Nod.NEWS7: Pfizer's (PFE) New Lung Cancer Drug Vizimpro Gets CHMP Nod.NEWS8: The Zacks Analyst Blog Highlights: Boeing, Thermo Fisher, Anthem, PayPal and Pfizer.NEWS9: The Zacks Analyst Blog Highlights: Boeing, Thermo Fisher, Anthem, PayPal and Pfizer.NEWS10: Health Care Sector Update for 02/04/2019: BLRX, EOLS, FENC, JNJ, PFE, ABT, MRK, AMGN.NEWS11: Health Care Sector Update for 02/04/2019: BLRX, EOLS, FENC, JNJ, PFE, ABT, MRK, AMGN.NEWS12: Pfizer's (PFE) New Lung Cancer Drug Vizimpro Gets CHMP Nod.NEWS13: The Zacks Analyst Blog Highlights: Boeing, Thermo Fisher, Anthem, PayPal and Pfizer.
2019-02-05: NEWS1: Dow Rallies For Second Straight Triple-Digit Win.NEWS2: Dow Rallies For Second Straight Triple-Digit Win.NEWS3: Market Close Report: NASDAQ Composite index closes at 7,402.08 up 54.54 points.NEWS4: Market Close Report: NASDAQ Composite index closes at 7,402.08 up 54.54 points.NEWS5: Merck CEO Frazier to testify at Senate drug pricing hearing.NEWS6: Pharma execs will testify before Congress &apos;one way or another,&apos; US senator says.NEWS7: Pharma execs will testify before Congress 'one way or another,' US senator says.NEWS8: Lilly/Incyte's Olumiant Meets Endpoint in Eczema Studies.NEWS9: Lilly/Incyte's Olumiant Meets Endpoint in Eczema Studies.NEWS10: Health Care Sector Update for 02/05/2019: OPGN, CNC, GILD, JNJ, PFE, ABT, MRK, AMGN.NEWS11: Health Care Sector Update for 02/05/2019: OPGN, CNC, GILD, JNJ, PFE, ABT, MRK, AMGN.NEWS12: Lilly/Incyte's Olumiant Meets Endpoint in Eczema Studies.NEWS13: Corporate Profits' New Enemy Is the 'Dollar Vortex'.NEWS14: Here's Why Exact Sciences Soared 42.8% in January.NEWS15: Here's Why Exact Sciences Soared 42.8% in January.NEWS16: Here&apos;s Why Exact Sciences Soared 42.8% in January.
2019-02-06: NEWS1: At least four pharma CEOs to testify at Senate drug pricing hearing.NEWS2: Eli Lilly Stock Falls Because 2019 Isn’t 2018.NEWS3: At least four pharma CEOs to testify at Senate drug pricing hearing.NEWS4: Congress invites 7 drugmakers to testify at potentially hostile hearing on drug prices. Here's what they're saying.NEWS5: Health Care Sector Update for 02/06/2019: NVLN, AGLE, VNDA, JNJ, PFE, MRK, ABT, AMGN.NEWS6: Health Care Sector Update for 02/06/2019: NVLN, AGLE, VNDA, JNJ, PFE, MRK, ABT, AMGN.NEWS7: Pfizer CEO Bourla plans to testify at Senate drug pricing hearing.NEWS8: Winners & Losers from Trump's State of the Union Address.NEWS9: Winners & Losers from Trump's State of the Union Address.NEWS10: Cancer-Vaccine Maker BioNTech Considering an IPO in U.S..NEWS11: Winners & Losers from Trump's State of the Union Address.

Answer: Decrease