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:2019-09-18, Stock:COP, The news for the past five days is as follows:
2019-09-11: nan
2019-09-12: NEWS1: The Energy Select Sector SPDR Fund Experiences Big Outflow.NEWS2: The Energy Select Sector SPDR Fund Experiences Big Outflow.NEWS3: U.S. Oil Ends Lower Even as EIA Reveals Drop in Inventories.NEWS4: Energy Sector Update for 09/12/2019: TOPS, TRNX, XOM, COP, SLB, OXY.NEWS5: Energy Sector Update for 09/12/2019: TOPS, TRNX, XOM, COP, SLB, OXY.
2019-09-13: NEWS1: ConocoPhillips (COP) Gains As Market Dips: What You Should Know.
2019-09-16: nan
2019-09-17: NEWS1: ConocoPhillips Could be the Best Oil Stock to Ride Out Recent Volatility.NEWS2: Top Research Reports for Chevron, Walmart & ConocoPhillips.NEWS3: ConocoPhillips (COP) Looks Good: Stock Adds 9.1% in Session.

Answer: Decrease