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:2018-01-09, Stock:Unp, The news for the past five days is as follows:
2018-01-02: NEWS1: Top 4 Railroad Stocks for 2018.
2018-01-03: NEWS1: Notable Wednesday Option Activity: DNB, LC, UNP.NEWS2: Vanguard Dividend Appreciation ETF Experiences Big Outflow.NEWS3: Genesee & Wyoming Sees Relative Strength Rating Rise To 73.NEWS4: CSX Shows Market Leadership With Jump To 81 RS Rating.
2018-01-04: NEWS1: Here's Why It's Worth Investing in C.H. Robinson (CHRW) Now.NEWS2: Comparing Union Pacific’s Freight Growth with the Industry in Week 51.NEWS3: How BNSF Railway’s Railcar Traffic Trended in Week 51 of 2017.
2018-01-05: NEWS1: Rail Stocks Set to Chug Higher.NEWS2: Winter storm Grayson has whacked $2B out of airline stocks.
2018-01-08: nan

Answer: Rise