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:2019-01-04, Stock:Unp, The news for the past five days is as follows:
2018-12-27: NEWS1: Will CSX and Union Pacific Continue to Outperform in 2019?.NEWS2: Will CSX and Union Pacific Continue to Outperform in 2019?.NEWS3: Will CSX and Union Pacific Continue to Outperform in 2019?.NEWS4: Kansas City Southern (KSU) Ex-Dividend Date Scheduled for December 28, 2018.NEWS5: Kansas City Southern (KSU) Ex-Dividend Date Scheduled for December 28, 2018.NEWS6: FedEx and UPS Shares Rose on December 26.
2018-12-28: NEWS1: Interesting UNP Put And Call Options For August 2019.NEWS2: Interesting UNP Put And Call Options For August 2019.
2018-12-31: NEWS1: Kansas City Southern’s Rail Traffic Rebounded in Week 51.NEWS2: Top Stock Reports for Alphabet, Boeing & Salesforce.NEWS3: Top Stock Reports for Alphabet, Boeing & Salesforce.NEWS4: Union Pacific: Top Rail Traffic Volume Gainer in Week 51.NEWS5: Top Stock Reports for Alphabet, Boeing & Salesforce.
2019-01-02: NEWS1: Canadian Pacific: Lowest Rail Traffic Volume Gainer in Week 51.NEWS2: [$$] Regulator Examines Railroads for Hitting Customers With Late Fees.
2019-01-03: NEWS1: Why You Should Get Rid of Union Pacific Ahead of Q4 Earnings.NEWS2: Why You Should Get Rid of Union Pacific Ahead of Q4 Earnings.NEWS3: Why You Should Get Rid of Union Pacific Ahead of Q4 Earnings.

Answer: Rise