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:2019-03-20, Stock:NVS, The news for the past five days is as follows:
2019-03-13: nan
2019-03-14: NEWS1: Roche Receives EC Approval for Label Expansion of Hemlibra.NEWS2: Roche Receives EC Approval for Label Expansion of Hemlibra.NEWS3: Roche Receives EC Approval for Label Expansion of Hemlibra.NEWS4: Blue Chip Drug Stocks Face 'Reckoning' on Future Downgrades.NEWS5: Novartis generics boss quits amid conjecture over business's future.NEWS6: [$$] Head of Novartis generic drugs business steps down.
2019-03-15: NEWS1: Roche Gets Approval for Label Expansion of MabThera in Europe.NEWS2: Roche Gets Approval for Label Expansion of MabThera in Europe.NEWS3: Roche Gets Approval for Label Expansion of MabThera in Europe.NEWS4: The Daily Biotech Pulse: KaryoPharm's Selinexor Review Delayed, FDA Accepts Adamis Opioid Overdose Drug NDA.
2019-03-18: NEWS1: Alnylam's (ALNY) Impressive Pipeline Drives Share Price.NEWS2: Novartis' (NVS) Alcon Acquired PowerVision for $285 Million.NEWS3: Novartis' (NVS) Alcon Acquired PowerVision for $285 Million.NEWS4: Novartis' (NVS) Alcon Acquired PowerVision for $285 Million.
2019-03-19: NEWS1: Tilray Lags Behind Its Marijuana Peers.NEWS2: Tilray Lags Behind Its Marijuana Peers.NEWS3: Tilray Earnings Impressive: More Reasons to Buy Marijuana ETFs.NEWS4: Tilray Earnings Impressive: More Reasons to Buy Marijuana ETFs.NEWS5: Tilray Earnings Impressive: More Reasons to Buy Marijuana ETFs.NEWS6: 3 Blue Chip Stocks That Just Hit 52-Week Highs: Are They Buys?.NEWS7: 3 Blue Chip Stocks That Just Hit 52-Week Highs: Are They Buys?.NEWS8: 3 Blue-Chip Stocks That Just Hit 52-Week Highs: Are They Buys?.NEWS9: Tilray Inc (TLRY) Q4 2018 Earnings Conference Call Transcript.NEWS10: Alnylam's (ALNY) Impressive Pipeline Drives Share Price.NEWS11: Alnylam's (ALNY) Impressive Pipeline Drives Share Price.

Answer: Rise