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:2021-02-19, Stock:PFE, The news for the past five days is as follows:
2021-02-11: NEWS1: Biden says U.S. is ahead of pace, will have vaccines for 300 million Americans by end of July.NEWS2: Biden says U.S. on track to have enough vaccines for 300 million Americans by end of July.NEWS3: REFILE-UPDATE 2-New Zealand plans to start COVID-19 vaccinations next week.NEWS4: Pfizer is Yahoo Finance Premium’s investment idea of the day.NEWS5: ‘We have to double down on public health measures:’ Doctor on COVID-19 variants.NEWS6: Black Doctors Work Overtime to Combat Clubhouse Covid Myths.NEWS7: UPDATE 2-S.Africa to start vaccinating millions against local COVID-19 variant -Ramaphosa.NEWS8: Serbia could manufacture Russia's Sputnik V vaccine by year-end - minister.NEWS9: When Will Israel’s Vaccination Campaign Boost the Nation’s Economy?.NEWS10: Expedia (EXPE) Overdue for a Pullback.NEWS11: Johnson & Johnson's Coronavirus Vaccine Data Isn't as Bad as It First Appears.NEWS12: 3 Reasons Pfizer's Failures Could Lead to a Big Acquisition.NEWS13: 3 Absurdly Cheap Coronavirus Stocks to Buy Now.NEWS14: How Bad News for Xeljanz Could Affect Pfizer's Fortunes.NEWS15: UPDATE 1-Evonik to make lipids for BioNTech COVID-19 vaccine.
2021-02-12: NEWS1: Impact of Covid-19 virus variants on vaccine distribution.NEWS2: U.S. FDA Approves PANZYGA® for the Treatment of Adults with Chronic Inflammatory Demyelinating Polyneuropathy (CIDP).NEWS3: Coronavirus update: CDC to unveil school reopening guidance; U.S. purchases 200 million more vaccine doses.NEWS4: Vaccine accessibility to underserved communities rests on individual states: Infectious disease physician.NEWS5: UPDATE 1-Canada will get some doses of Pfizer's vaccine earlier than scheduled -PM Trudeau.NEWS6: COVID-19 is not over, 'stay vigilant on masking, social distancing': former HHS secretary.NEWS7: Public Health Professor on COVID-19: ‘The big question though is how many people will be willing to get vaccinated’.NEWS8: COVID-19 Vaccine Updates: US Strikes 100M-Dose Supply Deals With Moderna, Pfizer, EU Starts Rolling Review Of CureVac Vaccine.NEWS9: U.S. COVID vaccine program enters new phase as feds deliver jabs directly to drug store chains.NEWS10: Can COVID Vaccine Makers Benefit From the Biden Administration?.NEWS11: U.S. orders another 100 million doses of the BioNTech/Pfizer COVID-19 vaccine.NEWS12: The U.S. is getting plenty of COVID-19 vaccines, but you still won’t have a normal summer.NEWS13: The U.S. Will Be Swimming in Covid-19 Vaccines by Midsummer.NEWS14: Microsoft System Blamed for N.J. Vaccine-Booking Glitches.NEWS15: FOCUS-BioNTech, Moderna shore up supplies of key COVID-19 vaccine ingredients.NEWS16: Here's What Investors Need to Know About the Sputnik V Coronavirus Vaccine.NEWS17: Could the U.S. Buying More COVID Vaccines Hurt Johnson & Johnson and Novavax?.NEWS18: Upstart Entrants and Booster Shots: How the Pandemic Is Changing the Vaccine Industry..NEWS19: Coronavirus cases in Eastern Europe surpass 10 million - Reuters tally.NEWS20: UPDATE 3-Japan panel recommends approval of Pfizer COVID-19 vaccine after morning arrival.NEWS21: Myovant Sciences Ltd. (MYOV) Q3 2020 Earnings Call Transcript.NEWS22: First COVID-19 vaccines arrive in Japan from Pfizer - media.
2021-02-16: NEWS1: Relaxing mitigation measures will 'recapitulate what we’ve already been seeing with further sickness': Doctor.NEWS2: Storm, power outages impact vaccine distribution.NEWS3: South Africa restarts its vaccine drive as the first country to use the Johnson & Johnson shot.NEWS4: Exelixis' Cabozantinib Data Shows Clinically Significant Benefit Versus Pfizer's Sutent, In A Type Of Kidney Cancer.NEWS5: Pfizer's PANZYGA Wins FDA Approval For Rare Peripheral Nerves Disorder.NEWS6: EU adds anti-variant clauses to new COVID vaccine supply deals - sources.NEWS7: World Health Organization Authorizes AstraZeneca’s Covid-19 Vaccine.NEWS8: WHO and Australian approvals lift hopes for AstraZeneca vaccine.NEWS9: Is AstraZeneca Stock A Buy After U.K., Europe Authorize Covid Vaccine?.NEWS10: WRAPUP 1-Japan to start inoculation drive Wednesday amid shortage of special syringes.NEWS11: High Efficacy Of Pfizer’s COVID Vaccine Corroborated By Clalit – Report.NEWS12: Pfizer Could Be an Even Bigger Winner After These 2 Fantastic Findings.NEWS13: UPDATE 1-Japan to start inoculation drive Wednesday with 40,000 medical workers.NEWS14: UPDATE 3-N. Korean hackers tried to steal Pfizer vaccine know-how, lawmaker says.NEWS15: UPDATE 1-Australia approves AstraZeneca vaccine, bolstering inoculation programme.NEWS16: UPDATE 1-Syringe shortage hampers Japan's COVID-19 vaccination roll out.NEWS17: Syringe shortage hampers Japan's COVID-19 vaccination roll out.NEWS18: UPDATE 3-Malaysia to kick off COVID-19 vaccination drive next week.NEWS19: Why the three biggest vaccine makers failed on Covid-19.
2021-02-17: NEWS1: Pfizer, BioNTech COVID-19 vaccine likely to protect against South Africa strain.NEWS2: Pfizer says South African variant could significantly reduce vaccine protection.NEWS3: Myovant Sciences and Pfizer Announce Publication in the New England Journal of Medicine of Phase 3 LIBERTY Studies of Once-Daily Relugolix Combination Therapy in Women with Uterine Fibroids.NEWS4: ‘All stops are going to be pulled out’ once we have the vaccine supply: Fmr. Surgeon General.NEWS5: 5 Affordable Biopharma Stocks With Growth Potential.NEWS6: Doctor on 'three big challenges' Biden faces with COVID-19 vaccine.NEWS7: 22 additional dividend stocks that Warren Buffett might consider buying.NEWS8: Israeli study finds Pfizer vaccine 95% effective against COVID-19.NEWS9: President Joe Biden seeks to assuage concerns about pace of vaccination.NEWS10: Exclusive: Pfizer's COVID-19 vaccine supply to the EU 30% below plans - sources.NEWS11: Pfizer-BioNTech To Supply Another 200M COVID-19 Vaccine Doses To EU.NEWS12: Novavax Trips Despite Covid Vaccine License Deal; Is NVAX Stock A Buy?.NEWS13: 2 Top Stocks to Buy for a Post-Pandemic World.NEWS14: Imcyse Raises Additional EUR 21.3 Million in Series B Financing Round - Pfizer Joins as Newest Shareholder.NEWS15: The Daily Biotech Pulse: Novartis Funding For Gene Therapy Research, Priority Review For Amgen Cancer Drug, Pfizer-BioNTech Vaccine Supply Deal.NEWS16: Exclusive: Pfizer COVID-19 vaccine supply to the EU about 10 million doses short of plan -sources.NEWS17: Pfizer Initiates Pivotal Phase 2 MagnetisMM-3 Trial of BCMA-CD3 Bispecific Antibody Elranatamab (PF-06863135) in Multiple Myeloma.NEWS18: Europe Calls On Pfizer/BioNtech For 200M More COVID-19 Vaccine Doses.NEWS19: Taiwan Puts BioNTech Vaccine Deal On Hold Due To Pressure From China: Bloomberg.NEWS20: Pfizer and BioNTech to Supply the European Union with 200 Million Additional Doses of COMIRNATY®.NEWS21: UPDATE 2-Japan begins COVID-19 vaccination in 'first major step' to halt pandemic.NEWS22: Japan begins COVID-19 vaccinations amid supply worries.NEWS23: Japanese governor urges cancelling of Olympics as vaccinations start.NEWS24: Japanese governor calls for Olympics to be cancelled as vaccination rollout begins.
2021-02-18: NEWS1: Pfizer and BioNTech Launch Coronavirus Vaccine Study for Pregnant Women.NEWS2: UPDATE 1-Pfizer, BioNTech start testing COVID-19 vaccine in pregnant women.NEWS3: Prem Watsa's Top 5 Trades of the 4th Quarter.NEWS4: Pfizer, BioNTech Begin Global Clinical Study Of COVID-19 Vaccine In Pregnant Women.NEWS5: Will The South African Variant Undo Pfizer, Moderna Covid Vaccines?.NEWS6: UPDATE 1-Pfizer plans to test COVID-19 vaccine booster targeting the South African variant.NEWS7: Pfizer, BioNTech have started trial to evaluate their COVID-19 vaccine in pregnant women.NEWS8: Pfizer, BioNTech start testing COVID-19 vaccine in pregnant women.NEWS9: Bill Gates says US can avoid a 'fall wave' of COVID-19.NEWS10: Pfizer plans to test COVID-19 vaccine booster engineered for South African variant.NEWS11: Bill Gates: with vaccine acceptance U.S. will be back to normal by fall.NEWS12: UN chief joins WHO in slamming rich countries for hogging COVID vaccines.NEWS13: BioNTech Stock: Will The South African Variant Undo Pfizer's Covid Vaccine?.NEWS14: Retractable Technologies gets $54 million to supply syringes to the U.S. for COVID-19 vaccination.NEWS15: Don’t Count on an Early Surge of J&J Covid-19 Vaccines: White House.NEWS16: COVID-19 is on the run — expect the pandemic to be under control by Memorial Day.NEWS17: Walmart (WMT) Sells Off After Missing Profit Estimates.NEWS18: Vaccine Boosters for South African Strain Look More Likely to Be Needed.NEWS19: The Daily Biotech Pulse: Lily-Rigel Licensing Deal, vTv Starts Early Stage Psoriasis Study, Immunic Data Readout.NEWS20: Smith & Nephew Maintains Dividend For 2021 Despite Q4 Earnings Hit By COVID-19; Shares Drop.NEWS21: Pfizer Says South African Variant Could Significantly Reduce Vaccine Protection: Reuters.NEWS22: Is Novavax Stock a Good Bet on Coronavirus Vaccines?.NEWS23: Canada's slow-burn vaccine roll out puts pressure on Trudeau.NEWS24: UPDATE 4-Pfizer study another worry for South Africa's vaccine rollout.NEWS25: UPDATE 2-Researchers urge delaying Pfizer vaccine's second dose as first highly effective.NEWS26: CORRECTED-Pfizer says South African variant could significantly reduce protective antibodies.NEWS27: RPT-Researchers urge delay in administering Pfizer vaccine's second dose, cite strong data.NEWS28: Researchers urge delay in administering Pfizer vaccine's second dose, cite strong data.

Answer: Decrease