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:2021-10-27, Stock:Unp, The news for the past five days is as follows:
2021-10-20: NEWS1: CSX Earnings Beat After Canadian Pacific Misses But Backs Outlook; CSX Stock Breaks Out.NEWS2: CSX Tops Buy Point With Results Due After Canadian Pacific Beats, Backs Outlook.NEWS3: CSX Stock Hits Buy Point With Results Due After Canadian Pacific Beats, Backs Outlook.NEWS4: CSX Stock Hits Buy Point With Results Due After Canadian Pacific Beats, Backs Outlook.NEWS5: Union Pacific and its unions sue each other over vaccine mandate.
2021-10-21: NEWS1: UNP Earnings Joins CSX With A Beat, After Canadian Pacific Missed; UNP Stock Breaks Out.NEWS2: Union Pacific Corporation (UNP) Q3 2021 Earnings Call Transcript.NEWS3: Rail-Yard Congestion Holds Down Shipping Volumes.NEWS4: Union Pacific says 24/7 California port operations no quick fix.NEWS5: CSX and Union Pacific Post Higher Profits. Here Is Why..NEWS6: Union Pacific (UNP) Q3 Earnings Beat Estimates, Rise Y/Y.NEWS7: Union Pacific reports profit rise of 23% in Q3, cuts volume goal.NEWS8: Union Pacific Posts Profit Above Estimates, Cuts Volume Goal.NEWS9: Union Pacific (UNP) Surpasses Q3 Earnings and Revenue Estimates.NEWS10: Dow Jones Futures Fall: Trump Social Media Firm To Go Public, Tesla Leads Earnings Movers.NEWS11: UPDATE 3-Union Pacific cuts 2021 volume growth forecast on auto, intermodal woes.NEWS12: Union Pacific cuts 2021 volume growth forecast on auto, intermodal woes.NEWS13: Union Pacific Reports Third Quarter 2021 Results.NEWS14: Union Pacific Slips After Beating Estimates, Guidance Cut Weighs.NEWS15: Dow Jones Futures: Dow Hits New High Amid Democrat Tax-Hike Shift; Tesla Leads Earnings Movers.
2021-10-22: NEWS1: Analysts Boost Union Pacific Price Target Post Q3 Results.NEWS2: Supply Chain Disruptions Curtail Union Pacific's Intermodal Volumes.NEWS3: Union Pacific's Earnings Beat Prompts Price Target Hikes.
2021-10-25: NEWS1: Union Pacific Takes Additional Action to Alleviate Supply Chain Congestion.
2021-10-26: NEWS1: Are Institutions Heavily Invested In Union Pacific Corporation's (NYSE:UNP) Shares?.

Answer: Decrease