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:2018-02-28, Stock:Unp, The news for the past five days is as follows:
2018-02-21: NEWS1: How Will Norfolk Southern's Profitability Grow In The Next Three Years?.NEWS2: How Will Norfolk Southern's Profitability Grow In The Next Three Years?.
2018-02-22: NEWS1: How Will Union Pacific's Revenue Grow In The Next Three Years?.NEWS2: How Will Union Pacific's Revenue Grow In The Next Three Years?.NEWS3: Behind Union Pacific’s Railcar Traffic in Week 6.NEWS4: Genesee & Wyoming’s North American Carloads Fell in January.
2018-02-23: NEWS1: Trader bets Union Pacific will keep rolling.NEWS2: Trader bets Union Pacific will keep rolling.
2018-02-26: NEWS1: Notable Monday Option Activity: SNI, UNP, EOG.NEWS2: Notable Monday Option Activity: SNI, UNP, EOG.NEWS3: Monday's ETF Movers: IYT, IDU.NEWS4: Monday's ETF Movers: IYT, IDU.NEWS5: Corporate America’s new dilemma: raising prices to cover higher transport costs.NEWS6: Notable ETF Inflow Detected - IWB, MDT, UNP, UTX.NEWS7: Notable ETF Inflow Detected - IWB, MDT, UNP, UTX.NEWS8: Union Pacific (UNP) Stock Up 15.2% in 3 Months: Here's Why.NEWS9: Union Pacific (UNP) Stock Up 15.2% in 3 Months: Here's Why.NEWS10: Corporate America’s new dilemma: raising prices to cover higher transport costs.NEWS11: Union Pacific Corporation (UNP) Ex-Dividend Date Scheduled for February 27, 2018.NEWS12: Union Pacific Corporation (UNP) Ex-Dividend Date Scheduled for February 27, 2018.NEWS13: Union Pacific (UNP) Stock Up 15.2% in 3 Months: Here&apos;s Why.NEWS14: Corporate America’s new dilemma: raising prices to cover higher transport costs.NEWS15: Union Pacific (UNP) Up 1% Since Earnings Report: Can It Continue?.NEWS16: Union Pacific (UNP) Up 1% Since Earnings Report: Can It Continue?.NEWS17: Corporate America’s new dilemma: raising prices to cover higher transport costs.NEWS18: Union Pacific (UNP) Up 1% Since Earnings Report: Can It Continue?.NEWS19: Corporate America’s new dilemma: raising prices to cover higher transport costs.
2018-02-27: NEWS1: Union Pacific: How Its Railcar Traffic Trended in Week 7.NEWS2: Union Pacific Corporation CFO Rob Knight to Address the Raymond James 39th Annual Institutional Investors Conference.NEWS3: CSX Corporation (CSX) Ex-Dividend Date Scheduled for February 28, 2018.NEWS4: CSX Corporation (CSX) Ex-Dividend Date Scheduled for February 28, 2018.

Answer: Decrease