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:2018-04-25, Stock:RIO, The news for the past five days is as follows:
2018-04-18: NEWS1: What to Watch for on Freeport-McMoRan’s 1Q18 Earnings Call.NEWS2: Will US-China Frictions Reflect in Freeport’s 1Q18 Earnings?.NEWS3: Can Freeport-McMoRan Beat Wall Street Revenue Estimates in 1Q18?.NEWS4: Freeport-McMoRan’s 1Q18 Earnings: The Word on Wall Street.NEWS5: What Are Analysts Expecting From Rio Tinto plc (LON:RIO) In The Next Couple Of Years?.NEWS6: Aluminum Prices Skyrocket on Sanction-Driven Global Supply Concerns.NEWS7: U.K. stocks rise as disappointing inflation eases pressure on BOE to hike.NEWS8: Energy Sector Update for 04/18/2018: USO, UNG, TOT, RIO.NEWS9: Energy Sector Update for 04/18/2018: USO, UNG, TOT, RIO.NEWS10: U.K. stocks rise as disappointing inflation eases pressure on BOE to hike.NEWS11: Miners lead FTSE 100 higher after Rio Tinto update; inflation data in focus.NEWS12: [$$] Rio Tinto Australian Iron-ore Shipments Rise 5%.NEWS13: Strategists Expect Euro-Zone Stocks to Rally Less.NEWS14: [$$] Rio Tinto smelter sales on track despite Rusal sanctions.NEWS15: Rio Tinto flags changes to 2018 aluminium output after U.S. sanctions.NEWS16: Rio Tinto Battles Fallout From Rusal Sanctions.
2018-04-19: NEWS1: BHP Trims Iron Ore Guidance—How Iron Ore Prices Could Respond.NEWS2: BHP Billiton (BHP) Lowers Iron-Ore Production View for FY18.NEWS3: BHP Billiton (BHP) Lowers Iron-Ore Production View for FY18.NEWS4: Analyzing Alcoa’s 1Q18 Earnings.NEWS5: BHP Billiton (BHP) Lowers Iron-Ore Production View for FY18.NEWS6: [$$] Energy stocks buoy indices as commodities rally.
2018-04-20: nan
2018-04-23: NEWS1: Alcoa Stock, Aluminum Prices Plunge As U.S. Softens Rusal Sanctions.NEWS2: FTSE 100 lingers around 11-week high, even as miners rally.
2018-04-24: NEWS1: Freeport-McMoRan’s 1Q18 Earnings: Reading between the Lines.NEWS2: [$$] Supply deals with Rusal’s Irish plant to restart as sanctions ease.NEWS3: [$$] Freeport says Indonesian mine sale talks continue.

Answer: Decrease