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:2018-06-12, Stock:RIO, The news for the past five days is as follows:
2018-06-05: NEWS1: Newmont Mining Corporation (NEM) Ex-Dividend Date Scheduled for June 06, 2018.NEWS2: Newmont Mining Corporation (NEM) Ex-Dividend Date Scheduled for June 06, 2018.NEWS3: Giant Waste-Spewing Mine Turns Into a Battleground in Indonesia.
2018-06-06: NEWS1: 3 Dividend Stocks to Fund Your Nest Egg.NEWS2: 3 Dividend Stocks to Fund Your Nest Egg.NEWS3: 3 Dividend Stocks to Fund Your Nest Egg.NEWS4: Three Industries Already Using Self-Driving Vehicles.NEWS5: Silvercorp Metals Inc. (SVM) Ex-Dividend Date Scheduled for June 07, 2018.NEWS6: Silvercorp Metals Inc. (SVM) Ex-Dividend Date Scheduled for June 07, 2018.NEWS7: Apple, Partners Look to Clean Up Supply Chain.NEWS8: Is Rio Tinto Limited (ASX:RIO) A Financially Sound Company?.
2018-06-07: NEWS1: [$$] Rio Tinto announces JV with powerful Chinese miner.NEWS2: Rio Tinto inks exploration agreement with China's Minmetals.NEWS3: 2 Steel Stocks That Will Thrive Despite Tariffs.
2018-06-08: nan
2018-06-11: NEWS1: Why Barclays Prefers BHP Billiton over Rio Tinto.NEWS2: Wired News – Rio Tinto Forms JV with China Minmetals for Exploration of New Mineral Deposits in China and Globally.

Answer: Decrease