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:2018-05-25, Stock:Unp, The news for the past five days is as follows:
2018-05-18: NEWS1: Does Union Pacific’s Free Cash Flow Suggest a Rise in 2018?.NEWS2: How Union Pacific’s Dividend Has Varied Historically.
2018-05-21: NEWS1: Noteworthy Monday Option Activity: DE, MMM, UNP.NEWS2: Noteworthy Monday Option Activity: DE, MMM, UNP.NEWS3: 7 Industrial Stocks That Can Lead Longterm.NEWS4: Union Pacific Hits Fresh 52-Week High on Multiple Tailwinds.NEWS5: Union Pacific Hits Fresh 52-Week High on Multiple Tailwinds.NEWS6: Union Pacific’s Traffic Growth Compared to the Industry, Week 19.NEWS7: How Union Pacific Stock Has Trended in 2018 Year-to-Date.NEWS8: Comparing Union Pacific’s Dividend Payout with Other Railroads.
2018-05-22: NEWS1: Railroad CEO 'worried about NAFTA'.NEWS2: Cramer Remix: If we see another pullback, buy this sector.NEWS3: Cramer Remix: If we see another pullback, buy this sector.NEWS4: 'I am worried about NAFTA,' says CEO of major US railroad....NEWS5: 'I am worried about NAFTA,' says CEO of major US railroad serving Mexico and Canada.NEWS6: Notable ETF Outflow Detected - XLI, GE, HON, UNP.NEWS7: Notable ETF Outflow Detected - XLI, GE, HON, UNP.
2018-05-23: NEWS1: Union Pacific Chief Praises GE-Wabtec Railroad Deal.NEWS2: As dollar rallies, here are three places to put your mone....NEWS3: Jim Cramer: Union Pacific Is Positive on NAFTA Talks.NEWS4: Nafta Has Been a 'Tremendous Success,' Says Union Pacific CEO.NEWS5: Nafta Has Been a 'Tremendous Success,' Says Union Pacific CEO.
2018-05-24: NEWS1: Will Boeing’s Win Lead to Sanctions on EU?.NEWS2: Union Pacific Corporation Invites You to Join Its 2018 Investor Day Broadcast.

Answer: Decrease