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:2020-05-18, Stock:NVS, The news for the past five days is as follows:
2020-05-11: nan
2020-05-12: NEWS1: Novartis Stock Shows Rising Relative Strength; Mostly V-Shape Recovery From Covid Crash.NEWS2: Biotech Amgen Is Tackling Coronavirus From Two Sides — But Is It A Buy?.
2020-05-13: nan
2020-05-14: NEWS1: Coronavirus Vaccine Progress Accelerates.NEWS2: Top 5 Things to Know in the Market on Thursday, May 14th.
2020-05-15: NEWS1: Novartis CEO says any new coronavirus vaccine will take two years: newspaper.

Answer: Rise