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:2018-07-19, Stock:Unp, The news for the past five days is as follows:
2018-07-12: NEWS1: A New Frac Sand Giant Is Born Amid An Industry Shift.NEWS2: Will High Costs Hurt United Continental's (UAL) Q2 Earnings?.NEWS3: Will High Costs Hurt United Continental's (UAL) Q2 Earnings?.NEWS4: Will High Costs Hurt United Continental&apos;s (UAL) Q2 Earnings?.NEWS5: Union Pacific Corporation Invites You to Join Its 2nd Quarter 2018 Earnings Release Broadcast.
2018-07-13: NEWS1: Noteworthy Friday Option Activity: CSCO, UNP, PENN.NEWS2: Noteworthy Friday Option Activity: CSCO, UNP, PENN.NEWS3: XLI, GE, UNP, HON: Large Inflows Detected at ETF.NEWS4: XLI, GE, UNP, HON: Large Inflows Detected at ETF.
2018-07-16: NEWS1: J. B. Hunt's (JBHT) Q2 Earnings Surpass Estimates, Rise Y/Y.NEWS2: J. B. Hunt's (JBHT) Q2 Earnings Surpass Estimates, Rise Y/Y.NEWS3: Can Freight Demand Aid Union Pacific (UNP) Q2 Earnings?.NEWS4: Can Freight Demand Aid Union Pacific (UNP) Q2 Earnings?.NEWS5: Will Kansas City Southern (KSU) Disappoint in Q2 Earnings?.NEWS6: Will Kansas City Southern (KSU) Disappoint in Q2 Earnings?.NEWS7: Can Freight Demand Aid Union Pacific (UNP) Q2 Earnings?.NEWS8: Will Kansas City Southern (KSU) Disappoint in Q2 Earnings?.
2018-07-17: NEWS1: Rail Traffic Growth for Union Pacific and the Industry in Week 27.NEWS2: Greenbrier Companies, Inc.  (GBX) Ex-Dividend Date Scheduled for July 18, 2018.NEWS3: Greenbrier Companies, Inc.  (GBX) Ex-Dividend Date Scheduled for July 18, 2018.NEWS4: See what the IHS Markit Score report has to say about Union Pacific Corp..
2018-07-18: NEWS1: Union Pacific Q2 Earnings Preview.NEWS2: Pre-Market Earnings Report for July 19, 2018 :  PM, UNP, DHR, BK, TSM, BBT, TRV, PPG, BX, KEY, NUE, RCI.NEWS3: Pre-Market Earnings Report for July 19, 2018 :  PM, UNP, DHR, BK, TSM, BBT, TRV, PPG, BX, KEY, NUE, RCI.NEWS4: IBD Stock Of The Day: CSX Breaks Out As Earnings Growth Picks Up Steam.NEWS5: Stocks Close Modestly Higher On Upbeat Earnings News - U.S. Commentary.NEWS6: Stocks Close Modestly Higher On Upbeat Earnings News - U.S. Commentary.NEWS7: Should You Buy Union Pacific (UNP) Ahead of Earnings?.NEWS8: Should You Buy Union Pacific (UNP) Ahead of Earnings?.NEWS9: Should You Buy Union Pacific (UNP) Ahead of Earnings?.NEWS10: CSX: Strong Second Quarter Due to Cost Cuts and Pricing Gains.

Answer: Decrease