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:2018-05-07, Stock:Unp, The news for the past five days is as follows:
2018-04-30: NEWS1: SMUD files $18 million suit against Union Pacific over waste cleanup.NEWS2: [$$] Companies Feel the Impact of Rising Oil Prices.NEWS3: Union Pacific is Safest U.S. Railroad for Third Consecutive Year.
2018-05-01: NEWS1: Union Pacific Corporation Invites You to Join Its 2018 Investor Day Broadcast.
2018-05-02: NEWS1: Edited Transcript of UNP earnings conference call or presentation 26-Apr-18 12:45pm GMT.NEWS2: Norfolk Souther Corporation (NSC) Ex-Dividend Date Scheduled for May 03, 2018.NEWS3: Norfolk Souther Corporation (NSC) Ex-Dividend Date Scheduled for May 03, 2018.NEWS4: Railroads offer up to $25,000 for new hires.
2018-05-03: NEWS1: What Pushed Industrial ETFs Down Despite Upbeat Earnings?.NEWS2: What Pushed Industrial ETFs Down Despite Upbeat Earnings?.NEWS3: Slew of Earnings Beat Fails to Lift Transport ETFs.NEWS4: Slew of Earnings Beat Fails to Lift Transport ETFs.NEWS5: USD Partners LP (USDP) Ex-Dividend Date Scheduled for May 04, 2018.NEWS6: USD Partners LP (USDP) Ex-Dividend Date Scheduled for May 04, 2018.
2018-05-04: NEWS1: See Which Of The Latest 13F Filers Holds Union Pacific.NEWS2: See Which Of The Latest 13F Filers Holds Union Pacific.

Answer: Rise