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:2019-07-12, Stock:RIO, The news for the past five days is as follows:
2019-07-05: NEWS1: Top Mining Stocks Sink As China Probes This 'Abnormal' Activity.NEWS2: Iron Ore: Chinese Steel Mills Urge Probe into Price Spike.NEWS3: European markets hit by German manufacturing woes and strong U.S. jobs data.NEWS4: Mining giants and housebuilders drag London markets down.NEWS5: Iron Ore: Chinese Steel Mills Urge Probe into Price Spike.
2019-07-08: NEWS1: China's Price Probe Drags Iron Ore Down From 5-Year High.NEWS2: China's Price Probe Drags Iron Ore Down From 5-Year High.NEWS3: China's Price Probe Drags Iron Ore Down From 5-Year High.
2019-07-09: nan
2019-07-10: NEWS1: Why Rio Tinto Stock Rose a Hefty 28% in the First Six Months of 2019.NEWS2: Why Rio Tinto Stock Rose a Hefty 28% in the First Six Months of 2019.NEWS3: Most Asia-Pacific Indexes Gain as Markets Wait for Powell.NEWS4: Why Rio Tinto Stock Rose a Hefty 28% in the First Six Months of 2019.NEWS5: Caledonia Mining Corporation Plc (CMCL) Ex-Dividend Date Scheduled for July 11, 2019.NEWS6: Caledonia Mining Corporation Plc (CMCL) Ex-Dividend Date Scheduled for July 11, 2019.
2019-07-11: NEWS1: Gold Price Pop on Powell's Rate Cut Signal: 5 Top Picks.NEWS2: Gold Price Pop on Powell's Rate Cut Signal: 5 Top Picks.NEWS3: BHP Is Latest Giant Miner to Plan Exit From Thermal Coal.NEWS4: Gold Price Pop on Powell's Rate Cut Signal: 5 Top Picks.NEWS5: Shrinking demand to eclipse supply issues in tin market.

Answer: Decrease