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:2019-06-06, Stock:Unp, The news for the past five days is as follows:
2019-05-30: NEWS1: New Strategy Highlighted in Union Pacific's Annual Sustainability Report.NEWS2: Customers of CSX, other railroads expect regulator to intervene.
2019-05-31: NEWS1: Intermodal Weakness Hurts Union Pacific’s Rail Traffic.NEWS2: U.S. Railroads Caught In The Middle Of New Tariff Threat.NEWS3: Noteworthy Friday Option Activity: UNP, MUR, CBRL.NEWS4: Noteworthy Friday Option Activity: UNP, MUR, CBRL.NEWS5: US Rail Traffic Downtrend Persisted for the 18th Straight Week.NEWS6: Spindly Transport Stocks Dealt Another Blow In New Tariff Threats.NEWS7: Union Pacific, PepsiCo and others could see their sales take a hit in a US-Mexico trade war.
2019-06-03: NEWS1: Noteworthy ETF Outflows: XLI, UNP, HON, MMM.NEWS2: Noteworthy ETF Outflows: XLI, UNP, HON, MMM.NEWS3: BUZZ-U.S. stocks weekly: Mayhem.
2019-06-04: nan
2019-06-05: NEWS1: Why billionaire Ken Fisher likes it when investors feel bad.NEWS2: Canadian National Railway Company (CNI) Ex-Dividend Date Scheduled for June 06, 2019.NEWS3: Canadian National Railway Company (CNI) Ex-Dividend Date Scheduled for June 06, 2019.

Answer: Decrease