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:2020-08-19, Stock:NVS, The news for the past five days is as follows:
2020-08-12: nan
2020-08-13: NEWS1: Eli Lilly, Novartis Have Most Valuable Pipeline Drugs.NEWS2: The Daily Biotech Pulse: Mesoblast Awaits Adcom Test, BioCryst Rallies On Insider Buying, Sorrento Hits Back At Short Seller.
2020-08-14: nan
2020-08-17: NEWS1: Novartis announces US District Court for the District of Delaware upholds validity of Gilenya® (fingolimod) dosage regimen patent.
2020-08-18: nan

Answer: Decrease