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:2021-09-20, Stock:PFE, The news for the past five days is as follows:
2021-09-13: NEWS1: Why Moderna, Pfizer, and Other Vaccine Stocks Dropped Today.NEWS2: 'The key game changer in all of this is getting people vaccinated': Doctor.NEWS3: How the AHEAD100 Initiative is working to prevent future pandemics.NEWS4: US STOCKS-S&P 500 snaps losing streak with tax hikes, inflation data on horizon.NEWS5: Moderna, BioNTech Plunge As Key Officials Argue Against Covid Booster Shots.NEWS6: Florida turns to Covid-detecting dogs amid surging cases   .NEWS7: COVID SCIENCE-mRNA vaccines not linked to miscarriage; COVID-19 shots in U.S. still protect against severe disease.NEWS8: NYC has a good plan so far for keeping kids safe as they return to the classroom: Doctor.NEWS9: Novavax (NVAX) Stock Surges YTD as COVID Vaccine Advances Well.NEWS10: Pfizer Stock Falters As It Prepares To Roll Out Boosters — Is It A Buy?.NEWS11: We aren’t seeing sufficient evidence to recommend COVID booster shots: Doctor.NEWS12: Will COVID-19 Vaccines for Children be Available by Year-End?.NEWS13: UPDATE 3-England to offer COVID vaccine to all 12- to 15-year-olds.NEWS14: The U.S. Is Debating a Third Vaccine Dose. Israel Is Talking About a Fourth..NEWS15: Pfizer Stock Active; Covid Vaccine Could Get FDA Nod for Kids by Halloween.NEWS16: Pfizer Stock Gains On Reports COVID Vaccine Could Get FDA Nod For Kids By Halloween.NEWS17: Israel weighing fourth round of coronavirus vaccines: report.NEWS18: Stocks Gain, China Cracks Down on Tech and Kids May Soon Get COVID Vaccine - 5 Things To Know.
2021-09-14: NEWS1: Pfizer (PFE) Gains As Market Dips: What You Should Know.NEWS2: Pfizer CEO Expects Covid Vaccine Data In Babies, Young Children Next Month.NEWS3: Pfizer Chart Says Buy the Dip; Vaccine Trends Bode Well for Bulls.NEWS4: Brussels lobbyists waged war against Pfizer jab in favour of European rivals.NEWS5: 3 Crash-Ready Stocks to Buy in September.NEWS6: Vaccine makers Moderna and BioNTech are significantly overvalued, say analysts.NEWS7: UPDATE 5-UK plans COVID boosters for over 50s to cope with "bumpy" winter.NEWS8: 5 Top-Ranked Large-Cap Stocks That Have Skyrocketed YTD.NEWS9: Minty Fresh Breadth, Market Streaks, Inflation, Vaccine Plays, An AMD Warning.NEWS10: U.S. administers 380.8 mln doses of COVID-19 vaccines - CDC.NEWS11: When can kids under 12 get a COVID-19 vaccine? CDC Director Rochelle Walensky has an answer.
2021-09-15: NEWS1: Moderna President details new clinical data on COVID-19 vaccine.NEWS2: U.S. administers 382.3 mln doses of COVID-19 vaccines - CDC.NEWS3: Dow Jones Rises As Nasdaq Rallies; Tesla Gains Despite Losing This Race; BioNTech Gets Vaccine Boost.NEWS4: Could Top-Rated BioNTech Score Again As FDA Preps To Debate Boosters?.NEWS5: Moderna seeks to join Pfizer in U.S. booster push.NEWS6: CORRECTED-Moderna says COVID-19 vaccine protection wanes, makes case for booster.NEWS7: Biden meets with CEOs, business leaders on vaccine mandates.NEWS8: Exact stock surges as changes to Pfizer's sales agreement a 'positive,' analyst says.NEWS9: Doctor on Biden’s vaccine mandate: ’Extraordinary times call for extraordinary measures’.NEWS10: FDA Stays Neutral on Covid Boosters. A Showdown Is Brewing..NEWS11: FDA’s Noncommittal Take on Covid Boosters Sets Stage for Fraught Meeting.NEWS12: Why Moderna stock has been in rally mode this month.NEWS13: BioNTech Stock Pops: What You Need To Know As FDA Debates Covid Boosters.NEWS14: Pfizer Points to Waning Immunity in Need for Booster Shots.NEWS15: FDA says COVID-19 vaccines continue to protect people in the U.S. from severe disease.NEWS16: Why Pfizer Stock Is Moving Higher Today.NEWS17: Alaska joins Idaho in rationing health care as hospitals are packed with COVID patients, and WHO says Africa is being left behind in vaccine push.NEWS18: UPDATE 4-FDA staff say Pfizer COVID-19 boosters may not be needed, but do improve immunity.NEWS19: Pfizer cites 'totality' of clinical data in bid for COVID-19 booster approval.NEWS20: Enough Hand-Wringing Over the Science. Bring on the Boosters..NEWS21: Pfizer says third COVID-19 shot warranted in FDA document.NEWS22: Vaccines for Children Are Moving Closer. Pfizer Will Seek FDA Go-Ahead Next Month..NEWS23: 2 Best Biotech Stocks to Buy in September.NEWS24: Pfizer expects to have safety and efficacy data for its COVID-19 vaccine in children in late September.NEWS25: Pfizer Makes Case for Vaccine Booster in FDA Presentation.NEWS26: 5 Stocks To Watch For September 15, 2021.NEWS27: U.S. Army says soldiers who refuse COVID-19 vaccine could be dismissed.
2021-09-16: NEWS1: British study to test mixed COVID-19 vaccine dose schedules in children.NEWS2: Why Moderna and BioNTech Topped the Market Today.NEWS3: COVID-19 infections 'rivaling' what happened in winter 2020: Doctor.NEWS4: Brazil seeks to halt teen vaccines, some state governors resist.NEWS5: The FDA Is Likely To Sign Off On Covid Boosters — With Some Caveats For Pfizer, Moderna.NEWS6: U.S. administers 383 mln doses of COVID-19 vaccines - CDC.NEWS7: FDA Advisors to Weigh In on Covid Booster Shots Friday. Investors Expect a Yes..NEWS8: Bristol Myers Touts 5-Year Kidney Cancer Data For Opdivo-Yervoy Combo Therapy.NEWS9: Moderna Says Higher Infection Risk After One Year Supports Covid Boosters.NEWS10: Pfizer recalls all lots of anti-smoking drug over carcinogen presence.NEWS11: U.S. passes grim milestone as 1 person in every 500 has now died of COVID, as a debate about the need for booster shots heats up.NEWS12: Pfizer, Moderna Support COVID Vaccine Booster Before FDA Meet.NEWS13: Booster shot debate heats up, LA County mandates vaccines for bar.NEWS14: 2 Pharma Stocks You Can Buy and Hold for the Next Decade.NEWS15: Should Pfizer Investors Worry About Tomorrow's FDA Meeting?.NEWS16: Moderna president: ‘We don't really know' if future COVID-19 shots will be necessary.NEWS17: Exelixis' Cabometyx Combo Trial Shows Benefit In Kidney Cancer Regardless Of Prior Surgery.NEWS18: Ignore the Billionaire Space Race. What SpaceX’s Historic Flight Really Means..NEWS19: Smart Investors Are Watching This Trend Right Now.NEWS20: 3 Explosive Biotech Stocks That Could 10X in 10 Years.NEWS21: Parents Seek Out Covid-19 Vaccine Trials for Their Children Ahead of Official Authorization.NEWS22: UPDATE 1-Hong Kong panel advises single dose of BioNTech COVID shot for teens.NEWS23: Stocks Slip, EA Delays 'Battlefield 2042' And SpaceX Makes History - 5 Things You Must Know.NEWS24: Hong Kong panel recommends single dose of BioNTech's COVID-19 shot for teenagers.
2021-09-17: NEWS1: FDA Advisory Committee Votes Unanimously in Favor Of COMIRNATY® Booster for Emergency Use in People 65 and Older and Certain High-risk Populations.NEWS2: Astellas' and Pfizer's XTANDI® (enzalutamide) Reduced Risk of Death by 34% in Men with Metastatic Hormone-Sensitive Prostate Cancer in Phase 3 ARCHES Study.NEWS3: FDA Committee Vote Is a Rebuff to Biden. Impact on Vaccine Makers Is Less Clear..NEWS4: Former Mylan executive pleads guilty to insider trading.NEWS5: FDA panel recommends Pfizer’s COVID-19 booster for 65 and older, but not for the general public.NEWS6: FDA advisory panel authorizes booster dose for those 65 & older.NEWS7: FDA Panel Votes No on Biden’s Booster Shot Plan. Drug Stocks Fall..NEWS8: EXPLAINER-The case for, and against, COVID-19 vaccine boosters.NEWS9: BioNTech, Moderna Stocks Crumble As FDA Advisors Vote Down Broad Covid Boosters.NEWS10: FDA advisory panel votes against approving COVID-19 booster.NEWS11: Wearing masks is something we should consider possibly in every flu, winter season: Doctor.NEWS12: FDA Committee Rejects Covid Booster Shot Plan. Pfizer, Moderna Stock Slump..NEWS13: FDA committee votes against approving BioNTech and Pfizer’s COVID-19 booster.NEWS14: FDA panel votes for Pfizer's booster shot for high risk, ages 65+.NEWS15: U.S. administers about 384 mln doses of COVID-19 vaccines - CDC.NEWS16: Impact of NYC’s Covid-19 vaccination proof mandate for restaurants.NEWS17: Doctor: This conversation about boosters doesn’t take place just in the U.S..NEWS18: FDA Panel Recommends Booster Shots for Older People and Those at High Risk.NEWS19: British Study To Test Mixed COVID-19 Vaccine Regime In Kids: Reuters.NEWS20: UPDATE 1-U.S. to buy millions of Pfizer vaccine doses to donate to world -Washington Post.NEWS21: YF POLL: 70% say they will not vaccinate their child if FDA approved.NEWS22: AbbVie Slumps On New FDA Order For Arthritis Drug — Is It A Buy Or A Sell?.NEWS23: FDA vaccine advisors weigh need for booster shots.NEWS24: Covid Vaccine Booster Shots Could Get a Thumbs Up an FDA Committee Today — or Not. What to Know..NEWS25: FDA Reveals COVID-19 Booster Advisory Committee Question.NEWS26: Scientists continue to say there isn’t enough evidence to make COVID-19 boosters available to all Americans.NEWS27: It’s Crunch Time for Booster Shots as FDA Committee Meets.NEWS28: UPDATE 7-U.S. FDA advisers recommend COVID-19 boosters for older adults after rejecting broad approval.NEWS29: Sanofi Is Finally Catching Up. How a Covid Vaccine Could Lift the Stock..NEWS30: Is Moderna Winning on Vaccine Efficacy?.NEWS31: 3 Low-Risk Stocks for Conservative Investors.NEWS32: Jim Cramer on September 17, Quadruple Witching Hour, Pfizer: Video.

Answer: Rise