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:2021-05-04, Stock:PFE, The news for the past five days is as follows:
2021-04-27: NEWS1: CDC says masks no longer necessary outdoors, with caveats.NEWS2: COVID-19 Oral Antiviral Drug From Pfizer Could Be Available By 2021, Says CEO: CNBC.NEWS3: CDC’s latest guidance on outdoor mask wearing ‘is a big milestone’: Doctor.NEWS4: UPDATE 2-U.S. CDC has not seen link between heart inflammation and COVID-19 vaccines.NEWS5: Scientists, doctors slam Hungarian government criticism of western vaccines.NEWS6: Swedish PM given COVID-19 vaccine, urges population to follow suit.NEWS7: Top 4 Mutual Fund Holders of Pfizer.NEWS8: Argentina restarts talks with Pfizer into buying its coronavirus vaccine.NEWS9: Is There Any Hope for Inovio?.NEWS10: Pfizer and BioNTech About to Sign the Biggest Vaccine Supply Deal Ever: Why It's Great News for Investors.NEWS11: UPDATE 1-Japan's defense ministry to open mass vaccination centre in Tokyo.NEWS12: Top U.S. trade negotiator meets Pfizer, AstraZeneca execs on COVID-19 IP waiver.
2021-04-28: NEWS1: Starbucks CEO: Vaccines and the 'great human reconnection' create a 2- to 3-year tailwind.NEWS2: UPDATE 1-Britain orders 60 million Pfizer COVID-19 shots for booster programme.NEWS3: It’s ‘good to lift’ COVID-19 restrictions right now: UAB Epidemiologist .NEWS4: Britain agrees deal for 60 million more Pfizer COVID-19 vaccines.NEWS5: Teva Abandons Search to Make Covid-19 Vaccine for Partners.NEWS6: Healthcare ETFs on Radar As Q1 Earnings Unfold.NEWS7: Older adults 94% less likely to be hospitalized with COVID after receiving Pfizer or Moderna vaccines: CDC.NEWS8: Vaccinated Americans 'can now enjoy some more freedoms,' health expert explains.NEWS9: "Pioneering" Chile moves to cover pregnant women with COVID-19 vaccines.NEWS10: Pfizer Invites Public to Listen to Webcast of Pfizer Discussion at Healthcare Conference.NEWS11: UPDATE 1-English official says she is hopeful COVID vaccine protection will not wane quickly.NEWS12: UPDATE 4-GSK focused on split as cost checks, COVID-19 easings aid earnings.NEWS13: CORRECTED-UPDATE 2-Waivers for vaccine production "not a solution" - BioNTech.NEWS14: Pfizer Acquires Amplyx Pharmaceuticals.NEWS15: Pfizer buys Amplyx to expand drug-resistant treatment portfolio.NEWS16: Japan's unused 14 mln doses of COVID-19 vaccines point to logistical hurdles.NEWS17: Here's the Biggest Risk With Buying Ocugen Stock Right Now.NEWS18: UK regulator sees no heart inflammation concerns from Pfizer COVID shot.NEWS19: RPT-Scientists, doctors slam Hungarian government criticism of western vaccines.NEWS20: S.Korea to lift mandatory quarantine for residents fully vaccinated against COVID-19.NEWS21: Beyond a Vaccine, Pfizer Looks to Treat COVID-19.NEWS22: BioNTech chief confident Covid jab will work against Indian variant.
2021-04-29: NEWS1: Eaton Vance Worldwide Health Sciences Fund's Top 4 1st-Quarter Trades.NEWS2: Covid Shots Come in Bulk. The World Needs Single Servings.NEWS3: Dr. Krutika Kuppalli explains why COVID-19 cases could get worse in India before improving.NEWS4: Moderna ramps up investments to triple vaccine output, eyes boosters.NEWS5: Pfizer-BioNTech Bullish On COVID-19 Vaccine Trial Results In Infants By September: Reuters.NEWS6: NYC reopening timeline is a ‘disastrous issue’: Doctor.NEWS7: Doctor: Travel ban from India to the U.S. could be 'counterproductive'.NEWS8: Bristol-Myers (BMY) Misses on Q1 Earnings, Opdivo Sales Decline.NEWS9: Will Pfizer (PFE) Deliver a Beat This Earnings Season?.NEWS10: Is Novavax Stock A Buy On Hints Its Covid Vaccine Is Nearing Authorization?.NEWS11: World to spend $157 billion on COVID-19 vaccines through 2025 -report.NEWS12: UPDATE 1-BioNTech expects vaccine trial results for babies by September.NEWS13: REFILE-BioNTech expects vaccine trial results for babies by September.
2021-04-30: NEWS1: Why Pfizer and BioNTech Shot Higher on Friday.NEWS2: Breakout Success: BioNTech Stock Pops On Covid Vaccine For Teens.NEWS3: UPDATE 1-Pfizer to start shipping coronavirus vaccine to Canada.NEWS4: UPDATE 3-Brazil pharma flags 'retaliation' risk over bill to drop vaccine patents.NEWS5: COVID SCIENCE-Vaccine protects COVID-19 survivors against variants; virus' spike protein damages blood vessels.NEWS6: 'Things are going to get much worse before they get better' in India: Expert.NEWS7: West Virginia Governor on offering incentives after state ‘hit a wall’ in vaccinations.NEWS8: The Eaton Vance Fund sells Novartis, Pfizer.NEWS9: Canada to begin getting doses of Pfizer-BioNTech vaccine from U.S. next week.NEWS10: 2 Doses Pfizer-BioNTech COVID-19 Vaccine Necessary To Generate Immune Response Against Variants, UK Study Show: Reuters.NEWS11: California has lowest COVID-19 case rate in the U.S.: RPT.NEWS12: Pfizer to export U.S.-made COVID-19 shots to Canada starting next week.NEWS13: BioNTech - Pfizer COVID-19 Shot Expected To Be Effective Against Double Mutants, Says BNTX CEO: CNBC.NEWS14: Turkey says it will receive 1 mln doses of BioNTech vaccines in May.NEWS15: Pharma Stock Roundup: Big Drugmakers' Q1 Earnings, Resumption of JNJ US COVID-19 Jabs.NEWS16: UPDATE 1-Risk from virus variants remains after first Pfizer COVID-19 vaccine, UK study finds.NEWS17: UPDATE 2-In vaccine supply crunch, Mexico angles for 5 million doses from U.S..NEWS18: Risk from virus variants remains after first Pfizer COVID-19 vaccine, UK study finds.NEWS19: South Africa regulator says J&J shot can be given to pregnant women.NEWS20: Pfizer and BioNTech Ask EU for Covid-19 Vaccine Authorization in Adolescents.NEWS21: UPDATE 2-Erdogan says Turkey expects more COVID-19 vaccines soon.NEWS22: Pfizer to Export U.S.-Made Vaccine Doses, Report Says.NEWS23: BioNTech and Pfizer seek regulatory OK in Europe to extend vaccine authorization to 12- to 15-year-olds.NEWS24: UPDATE 1-Pfizer, BioNTech seek to extend COVID-19 vaccine use to adolescents in EU.NEWS25: AstraZeneca COVID-19 Vaccine Costs Hit Q1 Earnings; Cancer Meds, Emerging Markets Save The Day.NEWS26: 3 Healthcare Stocks That Could Be Millionaire-Makers.NEWS27: 2 Stocks to Buy with Dividends Yielding More Than 3%.NEWS28: Pfizer Submits EU Vaccine Authorization Request for Ages 12-15.NEWS29: AstraZeneca delivers $275m in sales from COVID vaccines.NEWS30: UPDATE 2-Brazil Senate votes to suspend patent protection on COVID-19 vaccines.
2021-05-03: NEWS1: AbbVie's Humira Still Number 1 in Drug Sales.NEWS2: UPDATE 2-U.S. FDA set to authorize Pfizer COVID-19 shot for ages 12-15 early next week - NYT.NEWS3: Vaccine Hesitancy Ticks Down — Here's What That Means For Covid Stocks.NEWS4: Brazil looks to new Pfizer contract to speed up vaccinations.NEWS5: Was The Smart Money Right About Pfizer Inc. (PFE)?.NEWS6: BioNTech Hits Record as Vaccine Success Spurs on Biotechs.NEWS7: A ‘one size fits all policy’ for reopening travel is very concerning: Doctor.NEWS8: Pfizer says it told India there no safety concern with its COVID-19 vaccine.NEWS9: Pfizer’s Earnings Are Tuesday. Here’s What to Expect..NEWS10: Why BioNTech Stock Is Jumping Today.NEWS11: Pfizer's COVID-19 Pill Could Be Here By Year-End: Investor Impact.NEWS12: With earnings on track for best growth in more than a decade, here come Uber, Lyft and the vaccine makers.NEWS13: Dow Jones Rallies 300 Points To Lead Stock Market; Is A New Closing High Next?.NEWS14: Pfizer Earnings: What to Look For From PFE.NEWS15: People should focus on wearing masks indoors 'where it matters the most': Doctor.NEWS16: COVID-19 latest: U.S. cases fall, EU looks to reopen, India cases on the rise.NEWS17: Pfizer's (PFE) Key Drugs Likely to Drive Its Q1 Earnings.NEWS18: Pfizer says it submitted application for COVID-19 vaccine to Indian regulators 'months ago'.NEWS19: Pfizer Gets White House Support for Exporting Vaccines.NEWS20: UPDATE 1-India's vaccinations plummet as coronavirus infections soar.NEWS21: Uber, Pfizer, ViacomCBS, General Motors, and Other Stocks to Watch This Week.NEWS22: Is a Beat in Store for BioNTech (BNTX) This Earnings Season?.NEWS23: 3 Big Drugmaker Stocks to Watch Out For Amid Pandemic Woes.NEWS24: BioNTech Jumps on EU Drug Regulator's Review of Covid Vaccine for Kids.NEWS25: Is It Time To Buy AbbVie Stock As It Barrels Toward A New Buy Point?.NEWS26: The Zacks Analyst Blog Highlights: Eli Lilly, Merck, GlaxoSmithKline, Novartis and Johnson & Johnson.NEWS27: The 2 Numbers I'll Be Looking for in Moderna's Earnings Report This Week.NEWS28: India's vaccinations plummet as coronavirus infections soar.NEWS29: Pfizer in talks with India over expedited approval for COVID-19 vaccine.

Answer: Rise