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:2018-05-22, Stock:NVS, The news for the past five days is as follows:
2018-05-15: NEWS1: Novartis Completes Acquisition Of AveXis.NEWS2: Novartis Completes Acquisition Of AveXis.NEWS3: Health Care Sector Update for 05/15/2018: NVS,JNJ,XENE,TPIV,CRON.NEWS4: Health Care Sector Update for 05/15/2018: NVS,JNJ,XENE,TPIV,CRON.NEWS5: Novartis successfully completes acquisition of AveXis, Inc..NEWS6: Momenta Pharmaceuticals Contemplates Its Future.NEWS7: Momenta Pharmaceuticals Contemplates Its Future.NEWS8: Momenta Pharmaceuticals Contemplates Its Future.NEWS9: AstraZeneca’s 1Q18 Earnings: Analysts’ Estimates.NEWS10: Novartis CEO Is Said to Dial Up 5,000 Managers After Cohen Furor.NEWS11: How Did Bausch + Lomb Perform in 1Q18?.NEWS12: An Update on Teva’s Highly Anticipated Migraine Drug.NEWS13: The Swiss Stock Market Finished With A Slight Decrease.NEWS14: The Swiss Stock Market Finished With A Slight Decrease.NEWS15: Swiss prosecutors eye Novartis's deal with Cohen: reports.NEWS16: Novartis completes tender offer for all outstanding shares of AveXis, Inc..NEWS17: Novartis To Initiate Proof Of Concept Study With Cosentyx - Quick Facts.NEWS18: Novartis To Initiate Proof Of Concept Study With Cosentyx - Quick Facts.
2018-05-16: NEWS1: Novartis General Counsel Out Over Cohen Contract.NEWS2: Novartis General Counsel Out Over Cohen Contract.NEWS3: Here’s how Novartis’s former CEO explained hiring Michael Cohen.NEWS4: How Trump's Fix-It Man Became a $1.2 Million Headache for Novartis.NEWS5: How Trump's Fix-It Man Became a $1.2 Million Headache for Novartis.NEWS6: Eli Lilly's Cluster Headache Candidate Succeeds in Phase III.NEWS7: Eli Lilly's Cluster Headache Candidate Succeeds in Phase III.NEWS8: Pfizer Gets FDA Nod for Amgen, J&J's Anemia Drug Biosimilar.NEWS9: Pfizer Gets FDA Nod for Amgen, J&J's Anemia Drug Biosimilar.NEWS10: VT, NSRGY, NVS, RY: Large Inflows Detected at ETF.NEWS11: VT, NSRGY, NVS, RY: Large Inflows Detected at ETF.NEWS12: Novartis top lawyer exits over Trump attorney deal 'mistake'.NEWS13: Novartis Lawyer to Step Down After Cohen Payments.NEWS14: Analysts’ Recommendations for AstraZeneca as of May 15.NEWS15: Teva Stock Up 5% as Buffett's Berkshire Raises Stake in Q1.NEWS16: Teva Stock Up 5% as Buffett's Berkshire Raises Stake in Q1.NEWS17: Former Novartis CEO Explains Why His Company Paid Trump Lawyer Michael Cohen $1.2 Million.NEWS18: Novartis general counsel resigns over deal with Trump lawyer.NEWS19: Novartis general counsel resigns over deal with Trump lawyer.NEWS20: Novartis Is on a Journey.NEWS21: Novartis ex-CEO says regrets hiring, not firing Trump lawyer.NEWS22: AstraZeneca’s 1Q18 Estimates: CVMD Products.NEWS23: Top Novarits lawyer exits over Trump attorney deal error.NEWS24: The Swiss Stock Market Pulled Back As Bank Stocks Dropped.NEWS25: The Swiss Stock Market Pulled Back As Bank Stocks Dropped.NEWS26: Novartis ex-CEO says regrets hiring, not firing Trump lawyer.NEWS27: Stocks are set to fall at the open after Dow ends 8-day win streak.NEWS28: Stocks are set to fall at the open after Dow ends 8-day win streak.NEWS29: Novartis Now Is Subject to Michael Cohen-Related Probes on 2 Continents.NEWS30: Top Novartis lawyer exits over Trump attorney deal error.NEWS31: Top Novartis Lawyer Exits Over the $1.2 Million It Paid to Trump Lawyer Michael Cohen.NEWS32: [$$] Novartis Lawyer Departs in Relation to Cohen Payments.NEWS33: [$$] Novartis Lawyer Retires in Relation to Cohen Payments.NEWS34: [$$] Novartis: Counsel Resigns Over Company's Michael Cohen Deal.NEWS35: [$$] Novartis general counsel retires in wake of Cohen payments.NEWS36: [$$] Novartis’s top lawyer retires in wake of Cohen payments.NEWS37: Novartis General Counsel to Step Down After Cohen Payments.NEWS38: Novartis Says General Counsel to Retire After Cohen Payments.NEWS39: Trump Lawyer Cohen Dangled Policy Help, Ex-Novartis Chief Says.NEWS40: [$$] Top Novartis lawyer quits after payments to Trump aide.NEWS41: Novartis: Positioned To Deliver Sales Growth, Margin Expansion Through 2022.NEWS42: Novartis: Positioned To Deliver Sales Growth, Margin Expansion Through 2022.NEWS43: Novartis Group General Counsel Felix Ehrat To Retire On June 1 - Quick Facts.NEWS44: Novartis Group General Counsel Felix Ehrat To Retire On June 1 - Quick Facts.
2018-05-17: NEWS1: US approves 1st drug developed to prevent chronic migraines.NEWS2: US approves 1st drug developed to prevent chronic migraines.NEWS3: FDA names drugmakers accused of blocking cheaper generics.NEWS4: FDA names drugmakers accused of blocking cheaper generics.NEWS5: FDA Approves Amgen's Aimovig For Preventive Treatment Of Migraine In Adults.NEWS6: FDA Approves Amgen's Aimovig For Preventive Treatment Of Migraine In Adults.NEWS7: Exelixis Focused on Positioning Cabometyx in Kidney Cancer Space.NEWS8: [$$] Novartis Top Lawyer Departs Over Cohen Payments.NEWS9: Novartis Gains Ground, Completes the AveXis Acquisition.NEWS10: Missing documents prompted leak of Trump lawyer Michael Cohen&apos;s bank records: Report.NEWS11: Missing documents prompted leak of Trump lawyer Michael Cohen's bank records: Report.NEWS12: The Swiss Stock Market Finished Slightly Higher As Roche Weighs.NEWS13: The Swiss Stock Market Finished Slightly Higher As Roche Weighs.NEWS14: Novartis To Present 84 Abstracts At ASCO, EHA Scientific Meetings.NEWS15: Novartis To Present 84 Abstracts At ASCO, EHA Scientific Meetings.
2018-05-18: NEWS1: CBS-Viacom Battle Comes to a Head; FDA Approves Novartis Migraine Drug --ICMYI.NEWS2: Cohen lawyers object to Stormy Daniels' attorney Michael Avenatti intervening in New York case.NEWS3: After hullabaloo, Greek lawmakers drop Novartis probe against ex ministers.NEWS4: Migraine prevention drug could be worth $1 to $2 billion over next five years: Wall Street analyst.NEWS5: Health Care Sector Update for 05/18/2018: AMRX,VLRX,AMGN,NVS,AZN.NEWS6: Health Care Sector Update for 05/18/2018: AMRX,VLRX,AMGN,NVS,AZN.NEWS7: FDA Shame List: 40 Drug Makers That Try to Block Generic Drugs.NEWS8: Pharma Stock Roundup: Zoetis to Buy Abaxis, NVS Gets FDA Nod for Migraine Drug.NEWS9: Intraday Update: Small Caps Keep the Faith, Blue Chips Blue in the Face.NEWS10: Intraday Update: Small Caps Keep the Faith, Blue Chips Blue in the Face.NEWS11: Health Care Sector Update for 05/18/2018: VLRX,AMGN,NVS,AZN.NEWS12: Health Care Sector Update for 05/18/2018: VLRX,AMGN,NVS,AZN.NEWS13: Amgen's Migraine Drug Aimovig Gets FDA Approval, Shares Up.NEWS14: Amgen's Migraine Drug Aimovig Gets FDA Approval, Shares Up.NEWS15: Novartis AG -- Moody's: Aimovig approval credit positive for Amgen and Novartis.NEWS16: Amgen, Novartis Clinch FDA Nod on Migraine Prevention Drug.NEWS17: ‘Holy of holies’ — Inside the financial crime database that sprung a leak.NEWS18: Amgen&apos;s Migraine Drug Aimovig Gets FDA Approval, Shares Up.NEWS19: Label Expansion May Boost Cabometyx’s Revenue in 2018.NEWS20: Amgen Stock Rises over 2% on Drug Approvals.NEWS21: The Swiss Stock Market Fell On Broad Weakness.NEWS22: The Swiss Stock Market Fell On Broad Weakness.NEWS23: Benzinga's Daily Biotech Pulse: AstraZeneca's Q1, Novartis-Amgen Migraine Drug Approved.NEWS24: Cabometyx Is Expected to Witness a Robust Revenue Rise in 2018.NEWS25: Free Stock Performance Review on Teva Pharma and Three Other Healthcare Sector.NEWS26: Novartis, Amgen Get FDA Nod for Migraine Drug.NEWS27: The FDA Approved a Promising New Shot to Treat Migraines and Now the Drugmakers’ Stocks Are Rising.NEWS28: FDA approves anti-migraine drug from Novartis, Amgen.
2018-05-21: NEWS1: Roche (RHHBY) Announces Positive Data on Hemophilia Drug.NEWS2: Should The FDA Be Shaming Drug Companies? Financial Advisors' Daily Digest.NEWS3: Should The FDA Be Shaming Drug Companies? Financial Advisors' Daily Digest.NEWS4: Migraine Space in Focus as AMGN/NVS' Aimovig Gets FDA Nod.NEWS5: Migraine Space in Focus as AMGN/NVS' Aimovig Gets FDA Nod.NEWS6: Does Novartis AG’s (NYSE:NVS) Debt Level Pose A Problem?.NEWS7: Migraine Space in Focus as AMGN/NVS&apos; Aimovig Gets FDA Nod.

Answer: Rise