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:2019-12-26, Stock:Unp, The news for the past five days is as follows:
2019-12-18: nan
2019-12-19: NEWS1: Union Pacific Corporation Invites You to Join Its 4th Quarter 2019 Earnings Release Broadcast.
2019-12-20: NEWS1: Snowstorm Before Christmas Keeps Trucking Across Pacific Northwest.
2019-12-23: nan
2019-12-24: NEWS1: Transportation Stocks Poised to Head Higher in 2020.

Answer: Rise