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:2019-08-21, Stock:COP, The news for the past five days is as follows:
2019-08-14: nan
2019-08-15: NEWS1: Energy Sector Update for 08/15/2019: PNRG, NS, XOM, CVX, COP, SLB, OXY.NEWS2: Energy Sector Update for 08/15/2019: PNRG, NS, XOM, CVX, COP, SLB, OXY.
2019-08-16: NEWS1: IXC, COP, SLB, EOG: Large Outflows Detected at ETF.NEWS2: IXC, COP, SLB, EOG: Large Outflows Detected at ETF.NEWS3: U.S. Oil Supplies Up for 2nd Week, Adds to Bearish Sentiment.NEWS4: Energy Sector Update for 08/16/2019: SAEX, XOM, CVX, COP, SLB,OXY.NEWS5: Energy Sector Update for 08/16/2019: SAEX, XOM, CVX, COP, SLB,OXY.
2019-08-19: NEWS1: Will API Inventory Data Show a Buildup?.NEWS2: Monday Sector Leaders: Energy, Services.NEWS3: Monday Sector Leaders: Energy, Services.NEWS4: The Zacks Analyst Blog Highlights: Royal Dutch, ConocoPhillips, Valero, Phillips 66 and Marathon.NEWS5: The Zacks Analyst Blog Highlights: Royal Dutch, ConocoPhillips, Valero, Phillips 66 and Marathon.NEWS6: Oil & Gas US Integrated Industry Outlook: Prospects Gloomy.NEWS7: Oil & Gas US Integrated Industry Outlook: Prospects Gloomy.NEWS8: The Zacks Analyst Blog Highlights: Royal Dutch, ConocoPhillips, Valero, Phillips 66 and Marathon.NEWS9: Oil & Gas US Integrated Industry Outlook: Prospects Gloomy.
2019-08-20: NEWS1: T Boone Pickens' BP Capital Buys 5 Stocks in 2nd Quarter.NEWS2: US warns Greece over Iranian oil tanker, Aramco picks lead underwriters.NEWS3: Energy Sector Update for 08/20/2019: SDRL, XOM, EQNR, CVX, COP, SLB, OXY.NEWS4: Energy Sector Update for 08/20/2019: SDRL, XOM, EQNR, CVX, COP, SLB, OXY.NEWS5: U.S. shale producers challenge pipeline operator's Trump steel-tariff surcharge -filing.

Answer: Decrease