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:2021-08-16, Stock:PFE, The news for the past five days is as follows:
2021-08-09: NEWS1: What to know about kids returning to school amid the Delta variant's spread.NEWS2: 3 Vaccine Stocks for the Next Decade.NEWS3: COVID SCIENCE-Moderna may be superior to Pfizer against Delta; breakthrough odds rise with time.NEWS4: BioNTech Stock Pops On Earnings Crush, Plans To Deliver 2.2 Billion Doses.NEWS5: NYC's new vaccine mandate fuels legal debate for businesses.NEWS6: Pfizer Expects $33.5 Billion In Full-Year Covid Vaccine Sales — Is PFE Stock A Buy?.NEWS7: Pentagon to Require Covid  Vaccines For Military by Sept. 15.NEWS8: Vaccine stocks rally, DraftKings to buy Golden Nugget, Bitcoin’s weekend moves.NEWS9: COVID-19: ‘In schools we should start at least implementing a testing requirement’, doctor says.NEWS10: Gilead to require U.S. workers receive COVID-19 vaccine.NEWS11: BioNTech Stock Climbs. Earnings Blew Past Expectations..NEWS12: Were Hedge Funds Right About Pfizer Inc. (PFE)?.NEWS13: BioNTech says has supplied more than 1 billion COVID-19 vaccine doses so far.NEWS14: BioNTech Stock Pops On Earnings Crush, Plans To Deliver 2.2 Billion Doses.NEWS15: BioNTech says vaccine repeats beat devising new one for now.NEWS16: UPDATE 2-BioNTech says vaccine repeats beat devising new one for now.NEWS17: BioNTech Soars As It Says It’s Developing Updated Covid Shot For Delta.NEWS18: BioNTech says has supplied more than 1 bln COVID-19 vaccine doses so far.NEWS19: The Messenger RNA Vaccine Stocks Are the Best Investment Against COVID.NEWS20: Buying Pfizer Stock Now Could Double Your Money Within 5 Years: Here's How.NEWS21: South Korea opens COVID-19 vaccine reservations for all adults.
2021-08-10: NEWS1: Director of Vaccine Education Center: 'The governor of Florida has served as a friend of SARS-CoV-2 virus'.NEWS2: Moderna, BioNTech Record Rally Loses Steam on Biotech Rout.NEWS3: Pfizer shares hit record high with COVID-19 vaccine stocks on a tear.NEWS4: ‘Now we have to be in the business of saving and protecting lives’: CA State Superintendent of Public Instruction.NEWS5: Steel stocks hit records, Wall Street responds to COVID, Pfizer stock smashes 22-year record.NEWS6: Moderna’s stock price is ‘ridiculous,’ says BofA analyst.NEWS7: 10 Best Blue Chip Dividend Stocks Hedge Funds are Buying.NEWS8: UPDATE 1-BioNTech alone could lift German economy by 0.5% this year.NEWS9: BioNTech alone could lift German economy by 0.5% this year - economist.NEWS10: Moderna Stocks Gains on Delta Efficacy, Pentagon Vaccine Mandate Reports.NEWS11: Moderna Stocks Jumps on Delta Efficacy, Pentagon Vaccine Mandate Reports.
2021-08-11: NEWS1: U.S. FDA set to authorize COVID-19 vaccine boosters for immunocompromised patients - NBC News.NEWS2: Drug Companies Are Putting Profits First While the Delta Variant Spreads. That Needs to Change..NEWS3: Doctor: More than 90% of hospitalizations driven by the unvaccinated.NEWS4: Can Pfizer Seize Share in This Multibillion-Dollar Market?.NEWS5: CDC recommends pregnant women get COVID-19 vaccine.NEWS6: Merck's (MRK) Two Keytruda sBLAs Get Accepted by the FDA.NEWS7: UPDATE 1-EU regulator looking at new possible side-effects of mRNA COVID-19 shots.NEWS8: Russia's RDIF suggests Sputnik Light as vaccine booster with Pfizer shots -Twitter.NEWS9: Booster Doses for the Elderly Are Coming, Analyst Says. Friday Is a Key Date..NEWS10: Moderna, BioNTech Plunge As EU Studies Possible Side-effects Of mRNA Shots.NEWS11: UPDATE 2-India in talks to buy 50 million doses of Pfizer vaccine - WSJ.NEWS12: 3 Pharma Stocks to Buy in August.NEWS13: India in talks to buy 50 million doses of Pfizer vaccine - WSJ.NEWS14: It’s Time to Put Health Over Profit. End the Pandemic..NEWS15: Facebook bans Russian firm behind disinformation campaign against Covid vaccines.
2021-08-12: NEWS1: Israel set to offer COVID vaccine booster shots to under 60 year olds.NEWS2: Moderna Snaps Two-Day Losing Streak Ahead of Booster Update.NEWS3: Vaccine Stocks' Wild Ride Continues As FDA Reportedly Mulls Booster Shots.NEWS4: California State University Chancellor on return to campus amid the pandemic.NEWS5: FDA expected to authorize an extra COVID-19 dose for people with weak immune systems in the first regulatory OK for a booster shot in the U.S..NEWS6: U.S. FDA has not seen possible side-effects of COVID shots being studied in EU.NEWS7: If fully vaccinated your immunity is higher than someone who's unvaccinated: ER Physician.NEWS8: UPDATE 1-U.S. works with vaccine makers on booster dose for some -CDC director.NEWS9: FDA working to allow boosters for vulnerable people-CDC director.NEWS10: U.S. ships more than 500,000 doses of COVID-19 vaccine to Iraq.NEWS11: FDA Could Authorize Covid Booster Shots for Immunocompromised. What to Know..NEWS12: Merck's (MRK) Keytruda/Lenvima Get FDA Nod for Kidney Cancer.NEWS13: FDA nearing COVID-19 booster approval, California new vaccine rules for schools.NEWS14: mRNA COVID-19 Vaccine Makers Lose Steam After Strong Rally.NEWS15: FDA Could Authorize Covid-19 Boosters for Immunocompromised.NEWS16: CDC advisory committee to meet Friday, discuss COVID-19 booster shots.NEWS17: 3 Reasons Why You Might Not Want to Buy Pfizer Stock.NEWS18: BioNTech, Moderna Gain on Report of FDA’s Likely Nod for Booster.NEWS19: FDA set to approve third COVID-vaccine dose for those with weakened immune systems: report.
2021-08-13: NEWS1: Pfizer expands recall of anti-smoking drug over carcinogen presence.NEWS2: UPDATE 8-U.S. authorizes third shot of COVID-19 vaccines for the immunocompromised.NEWS3: Vaccine Stocks Nab Booster Shot OK, But Their Run Could Be Short-Lived.NEWS4: Dow Jones Rallies But Disney Gains Fade; Vaccine Boost For Pfizer; Virgin Galactic Stock Dives.NEWS5: Dow Jones Gains; Covid Vaccine News Boosts Pfizer; Branson Dumps Virgin Galactic Stock.NEWS6: Dow Jones Hits Record; Disney Earnings Gains Fade; Virgin Galactic Stock Dives Amid This.NEWS7: Texas Cruise Outbreak; CDC Panel Backs Third Shot: Virus Update.NEWS8: Novavax: Bronze Medal May Be Good Enough in COVID Race.NEWS9: CDC panel votes to recommend 3rd shot in immune compromised.NEWS10: Dow Jones Flat; Covid Vaccine News Boosts Pfizer; Richard Branson Dumps Virgin Galactic Stock.NEWS11: U.S. Authorizes Third Dose of Covid Vaccines. Don’t Call Them Booster Shots..NEWS12: Doctor on COVID: ‘We have to react to the public health information’.NEWS13: Why Pfizer, BioNTech, and Moderna Stocks Are Getting a Bump Today.NEWS14: Vaccine Stocks Fly On Booster Shot OK, But Their Run Could Be Short-Lived.NEWS15: Pfizer (PFE) Gets Fast Track Tag for Wilson Disease Candidate.NEWS16: US STOCKS-Strong Disney earnings push S&P 500, Dow to new peaks.NEWS17: FDA approves booster shot, Moderna’s vaccine effectiveness on variants, Facebook delays return to office.NEWS18: Moderna's Shot Seems To Have A Better Shot Against Delta Than Pfizer's.NEWS19: Pharma Stock Roundup: FDA Nod for SNY's Pompe Drug & New Use of MRK's Keytruda.NEWS20: Moderna stock rallies after FDA OKs booster shot of COVID-19 vaccine for most at-risk adults.NEWS21: FDA Authorizes U.S.’s First Covid-19 Booster Shots.NEWS22: US STOCKS-Dow, S&P 500 set for record open after Disney's strong earnings.NEWS23: FDA says doctors can give an extra COVID-19 dose to some people with weak immune systems. This is the first authorization for a booster shot in the U.S..NEWS24: UPDATE 1-FOCUS-Pfizer, Moderna seen reaping billions from COVID-19 vaccine booster market.NEWS25: Why Are Pfizer and Moderna Jacking Up COVID Vaccine Prices?.NEWS26: Pfizer, Moderna seen reaping billions from COVID-19 vaccine booster market.NEWS27: FOCUS-Pfizer, Moderna seen reaping billions from COVID-19 vaccine booster market.NEWS28: UPDATE 1-S.Korea signs new Pfizer vaccine deal; asks people to cut travel.NEWS29: BioNTech, Moderna Rise On Nod To Booster For Those With Weak Immunity.NEWS30: Israel expands COVID vaccine booster campaign to over 50s, health workers.NEWS31: Moderna Stock Jumps, Pfizer Gains as FDA Approves COVID Vaccine Booster.NEWS32: Disney, Pfizer, Moderna, COVID and Airbnb - 5 Things You Must Know Friday.NEWS33: FDA authorizes an extra COVID-19 dose for people with weak immune systems in the first regulatory OK for a booster shot in the U.S..NEWS34: UPDATE 4-U.S. FDA authorizes COVID-19 vaccine boosters for the immunocompromised.

Answer: Rise