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:2018-07-03, Stock:RIO, The news for the past five days is as follows:
2018-06-26: NEWS1: Grasberg Mine: Freeport-McMoRan’s Outlook Is Murky.
2018-06-27: NEWS1: Yamana Gold Inc. (AUY) Ex-Dividend Date Scheduled for June 28, 2018.NEWS2: Yamana Gold Inc. (AUY) Ex-Dividend Date Scheduled for June 28, 2018.NEWS3: Kirkland Lake Gold Ltd. (KL) Ex-Dividend Date Scheduled for June 28, 2018.NEWS4: Kirkland Lake Gold Ltd. (KL) Ex-Dividend Date Scheduled for June 28, 2018.NEWS5: Osisko Gold Royalties Ltd (OR) Ex-Dividend Date Scheduled for June 28, 2018.NEWS6: Osisko Gold Royalties Ltd (OR) Ex-Dividend Date Scheduled for June 28, 2018.
2018-06-28: NEWS1: Canada to aid steel, aluminum industries hit by U.S. tariffs -source.NEWS2: Trump’s Trade War Looms Over a Canadian Town Built to Supply America.
2018-06-29: NEWS1: Rio Tinto ready to splash out on copper.NEWS2: Focus: Rio Tinto ready to splash out on copper.
2018-07-02: NEWS1: Rio Tinto ready to splash out on copper.NEWS2: See How Sibanye-Stillwater Ranks Among Analysts' Top Metals Picks.NEWS3: See How Sibanye-Stillwater Ranks Among Analysts' Top Metals Picks.NEWS4: [$$] Indonesia says talks completed on control of Freeport-McMoran mine.

Answer: Decrease