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:2020-05-19, Stock:Unp, The news for the past five days is as follows:
2020-05-12: nan
2020-05-13: NEWS1: Allegiant Travel (ALGT) Q1 Earnings Beat Estimates, Down Y/Y.NEWS2: Union Pacific Corporation CFO Jennifer Hamann to Address the 13th Annual Wolfe Virtual Global Transportation & Industrials Conference.
2020-05-14: NEWS1: Union Pacific Corporation Declares Second Quarter 2020 Dividend.
2020-05-15: nan
2020-05-18: NEWS1: Should You Invest in the Fidelity MSCI Industrials Index ETF (FIDU)?.

Answer: Rise