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:2021-10-29, Stock:PFE, The news for the past five days is as follows:
2021-10-22: NEWS1: 'We're definitely not doing enough' to help global vaccinations: Former US Commerce Sec..NEWS2: The Elizabeth Holmes Trial: Former Pfizer Scientist Says Theranos Used Pharma Logo Without Permission.NEWS3: Why Novavax Fell by 3% Today.NEWS4: Moderna Slapped With Sell Rating Despite CDC Authorization For Covid Boosters.NEWS5: Logistics and distribution key to fighting COVID-19 worldwide, says former commerce secretary..NEWS6: U.S. administers nearly 412 mln doses of COVID-19 vaccines - CDC.NEWS7: COVID SCIENCE-COVID-19 vaccines not linked to pregnancy loss; mixing vaccines may confer greater protection.NEWS8: Pfizer says vaccine is 90.7% effective in kids aged 5 to 11: BBG.NEWS9: EXPLAINER-Americans wonder: Which COVID-19 booster is best?.NEWS10: CDC approves Moderna and J&J Covid-19 vaccine boosters.NEWS11: Pfizer data boosts hopes children will soon be eligible for COVID-19 vaccine, and CDC expands booster program.NEWS12: Q3 Earnings Season Moving Along.NEWS13: Pfizer and BioNTech Covid Vaccine Is Nearly 91% Effective in Children.NEWS14: Reasons for Optimism: Q3 Earnings, Infrastructure.NEWS15: Pharma Stock Roundup: JNJ Mixed Q3 Results, FDA Nod to Mix & Match COVID Boosters.NEWS16: Pfizer's (PFE) Comirnaty Booster Dose Achieves 95.6% Efficacy.NEWS17: Pfizer says COVID-19 vaccine is more than 90% effective in kids 5 to 11.NEWS18: Walmart, Walgreens U.S. stores roll out Moderna, J&J COVID-19 booster shots.NEWS19: Fastly, PagerDuty, Johnson & Johnson, Moderna and Pfizer highlighted as Zacks Bull and Bear of the Day.NEWS20: Pfizer-BioNTech Covid-19 Vaccine for Kids Was Safe and 90.7% Effective, Companies Say.NEWS21: UPDATE 1-Americans can mix and match COVID-19 boosters but original vaccine recommended -Fauci.NEWS22: UPDATE 2-Pfizer/BioNTech COVID-19 vaccine shows 90.7% efficacy in trial in children.NEWS23: Mix-and-Match Booster Rollout Is Set to Start. Nearly 100 Million People Could Be Eligible..NEWS24: Pfizer/BioNTech COVID-19 vaccine shows 90.7% efficacy in trial in children.NEWS25: Pfizer-BioNTech Covid Vaccine Shows Efficacy Above 90% for Kids.NEWS26: Why BioNTech and RedHill Are Soaring This Week, While Novavax Is Sinking.NEWS27: CDC approves expanded rollout of COVID-19 boosters.
2021-10-25: NEWS1: Will Pfizer ETFs Gain on Positive COVID-19 Booster Dose Data?.NEWS2: 11 Best High Dividend Stocks Under $50.NEWS3: Pfizer CEO says company will produce 4 billion COVID-19 doses in 2022.NEWS4: Albert Bourla Pfizer CEO speaks to Yahoo  Finance.NEWS5: Pfizer CEO: We will 'immediately' distribute vaccine to kids  once we have FDA approval.NEWS6: Pfizer CEO on drug pricing: it's a real issue in the U.S..NEWS7: Pfizer CEO: We are 'running the starters' for COVID-19 pill.NEWS8: Pfizer CEO explains how it's getting vaccines to the 'poorest of countries'.NEWS9: Pfizer CEO explains how the drugmaker pivoted its COVID-19 vaccine distribution.NEWS10: Moderna Data Shows Covid-19 Vaccine Produced Strong Immune Response in 6- to 11-Year-Olds.NEWS11: Fauci says U.S. is on track to start vaccinating kids aged 5 to 11 by November, as FDA advisers prepare to meet on the matter.NEWS12: Fauci says U.S. on track to start vaccinating kids aged 5 to 11 by November, as FDA advisers prepare to meet on the matter.NEWS13: Moderna Announces Positive Data on Covid-19 Vaccine in Children.NEWS14: Yahoo Finance All Markets Summit 2021: The Path Forward.NEWS15: Moderna says its COVID-19 shot generates 'robust' response in children 6 to 11.NEWS16: How Investors Can Grab Better Returns for Medical Using the Zacks ESP Screener.NEWS17: Moderna Rises on Report Its Covid Shot Shows Promise in Children 6-11.NEWS18: FDA committee to discuss BioNTech/Pfizer's COVID-19 shot in children 5 to 11.NEWS19: 3 Stocks to Add to Your Portfolio in the Event of a Market Downturn.NEWS20: Twitter CEO Jack Dorsey is right to scare everyone about hyperinflation: Morning Brief.
2021-10-26: NEWS1: FDA Panel Backs Pfizer’s Covid Vaccine for Children 5 to 11.NEWS2: University Hospital to mandate boosters for those who received JNJ vaccine.NEWS3: FDA Advisory Committee Votes in Favor of Granting Emergency Use Authorization for the Pfizer-BioNTech COVID-19 Vaccine in Children 5 to <12 Years.NEWS4: Pfizer-BioNTech Covid-19 Vaccine for Young Kids Backed by FDA Advisers.NEWS5: Pfizer (PFE) Outpaces Stock Market Gains: What You Should Know.NEWS6: Australia drugs regulator approves booster doses of Pfizer COVID-19 vaccine.NEWS7: Why Did Myovant Sciences Shares Fall Despite Q2 Earnings Beat?.NEWS8: U.S. administers over 415 mln doses of COVID-19 vaccines - CDC.NEWS9: Trillium Securityholders Approve Acquisition by Pfizer.NEWS10: Vaccine Stocks Pop After FDA Experts Recommend Pfizer's Covid Vaccine In Children.NEWS11: FDA advisors recommend BioNTech and Pfizer’s COVID-19 shot for children.NEWS12: Pfizer (PFE) Reports Next Week: Wall Street Expects Earnings Growth.NEWS13: Spain to give booster dose of Pfizer or Moderna to people who had J&J shot.NEWS14: Pfizer, BioNTech Diverge As FDA Panel Mulls Covid Vaccine In Children.NEWS15: UPDATE 4-U.S. FDA advisers back Pfizer/BioNTech COVID-19 vaccine for children.NEWS16: Vietnam to vaccinate children against COVID-19 from next month.NEWS17: U.S. FDA advisers weigh Pfizer/BioNTech COVID-19 vaccine in children.NEWS18: EXPLAINER-What to know about the COVID-19 vaccine for U.S. children.NEWS19: Pfizer, BioNTech Children's Vaccine to be  Reviewed by FDA Advisory Group.NEWS20: Facebook’s Swimming in Profit as Much as It’s Mired in Controversy.NEWS21: Why Pfizer and BioNTech Will Be Bigger Winners Than Moderna With Mix-and-Match Boosters.NEWS22: FDA Advisors to Discuss Covid-19 Vaccines for Children Today. What Comes Next..
2021-10-27: NEWS1: 'The threat of COVID is not gone," says Milwaukee medical director.NEWS2: U.S. administers over 416 mln doses of COVID-19 vaccines - CDC.NEWS3: UPDATE 1-States have placed orders of COVID-19 vaccine for children, says White House.NEWS4: AbbVie Stock Is Making A Comeback On Inflammatory Drugs — Is It A Buy Now?.NEWS5: Novavax files first COVID-19 vaccine authorization in UK.NEWS6: Healthcare ETFs in Focus as Q3 Earnings Unfold.NEWS7: Got $1,500? 2 Robinhood Stocks That Long-Term Investors Should Jump on Right Now.NEWS8: FDA panel endorses Pfizer vaccine for kids, CDC rules to expire on cruises, Hertz offers rental Teslas to Uber drivers.NEWS9: 2 Top Dividend Stocks That Can Safeguard Your Portfolio Against a Market Crash.NEWS10: Will Pfizer (PFE) Keep the Earnings Streak Alive in Q3?.NEWS11: FDA's Adcomm Almost Unanimously Back Pfizer/BioNTech's COVID-19 Shots For Younger Kids.NEWS12: Coronavirus tally: Global cases of COVID-19 top 244.6 million and FDA advisors back Pfizer's COVID-19 shot for children.NEWS13: Pfizer-BioNTech Children's Vaccine Backed by FDA Advisory Panel.NEWS14: Myovant Sciences Ltd. (MYOV) Q2 2021 Earnings Call Transcript.
2021-10-28: NEWS1: Trillium Therapeutics Receives Final Court Order Approving Arrangement.NEWS2: U.S. administers 417.8 mln doses of COVID-19 vaccines - CDC.NEWS3: The Reason Not to Mandate Kid Vaccines.NEWS4: Ability to vaccinate 5 year olds & up to be ‘critical’ in aiding pandemic resolution: Doctor.NEWS5: Pfizer CEO blasts America's drug pricing system: 'We have a problem here'.NEWS6: U.S. Buys 50 Million Child-Sized Pfizer Doses.NEWS7: U.S. Bets on Covid-19 Boosters’ Efficacy Against a Changing Virus, as Doses Roll Out.NEWS8: Pfizer and BioNTech say U.S. government has purchased additional 50 million pediatric doses of their COVID vaccine.NEWS9: UPDATE 1-Pfizer gets U.S. contract for 50 mln COVID-19 vaccine doses for kids.NEWS10: Pfizer and BioNTech to Provide U.S. Government an Additional 50 Million Pediatric Doses of COVID-19 Vaccine to Support Further Preparedness for Future Needs.NEWS11: Can Pfizer's and Moderna's COVID-19 Vaccine Sales Double Next Year?.NEWS12: 3 Pharma Stocks You Can Buy and Hold Forever.

Answer: Rise