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:2019-07-15, Stock:Unp, The news for the past five days is as follows:
2019-07-08: nan
2019-07-09: NEWS1: See what the IHS Markit Score report has to say about Union Pacific Corp..
2019-07-10: nan
2019-07-11: NEWS1: Union Pacific (UNP) Earnings Expected to Grow: Should You Buy?.NEWS2: Union Pacific (UNP) Earnings Expected to Grow: Should You Buy?.NEWS3: Railroad Stocks on Fast Track Ahead of Earnings.NEWS4: Union Pacific (UNP) Earnings Expected to Grow: Should You Buy?.NEWS5: Trinity Industries, Inc. (TRN) Ex-Dividend Date Scheduled for July 12, 2019.NEWS6: Trinity Industries, Inc. (TRN) Ex-Dividend Date Scheduled for July 12, 2019.NEWS7: Union Pacific Corporation Invites You to Join Its 2nd Quarter 2019 Earnings Release Broadcast.
2019-07-12: NEWS1: Going Into Earnings, Approach CSX Stock With Caution.NEWS2: Going Into Earnings, Approach CSX Stock With Caution.NEWS3: Going Into Earnings, Approach CSX Stock With Caution.NEWS4: Wall Street Week Ahead: Union Pacific, other freight co earnings eyed for tariff effects.NEWS5: Union Pacific's Intermodal Service Took Hit During Second Quarter.

Answer: Decrease