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:2019-01-10, Stock:RIO, The news for the past five days is as follows:
2019-01-03: nan
2019-01-04: NEWS1: Can Rio Tinto plc’s (LON:RIO) ROE Continue To Surpass The Industry Average?.
2019-01-07: NEWS1: Asian Markets Mixed Amid Cautious Trade.NEWS2: Asian Markets Mixed Amid Cautious Trade.NEWS3: Australian Market Modestly Higher.NEWS4: Australian Market Modestly Higher.
2019-01-08: NEWS1: Asian Markets Higher As U.S.-China Trade Talks Extended.NEWS2: Asian Markets Higher As U.S.-China Trade Talks Extended.NEWS3: Australian Market Extends Gains.NEWS4: Australian Market Extends Gains.
2019-01-09: NEWS1: Why Goldman Sachs Expects Iron Ore Prices to Drop to $60.NEWS2: BHP Group Limited (BHP) Ex-Dividend Date Scheduled for January 10, 2019.NEWS3: BHP Group Limited (BHP) Ex-Dividend Date Scheduled for January 10, 2019.NEWS4: Caledonia Mining Corporation Plc (CMCL) Ex-Dividend Date Scheduled for January 10, 2019.NEWS5: Caledonia Mining Corporation Plc (CMCL) Ex-Dividend Date Scheduled for January 10, 2019.

Answer: Decrease