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:2018-01-11, Stock:RIO, The news for the past five days is as follows:
2018-01-04: nan
2018-01-05: NEWS1: Coal dwarfs battery metals in mining deals despite war on pollution.
2018-01-08: NEWS1: Why Shares of Vale and Rio Tinto Surged in December.NEWS2: Why Shares of Vale and Rio Tinto Surged in December.NEWS3: Why Shares of Vale and Rio Tinto Surged in December.NEWS4: Top 5 Copper Stocks for 2018.
2018-01-09: NEWS1: Top 4 Coal-Mining Stocks as of January 2018.NEWS2: Why China’s Higher Iron Ore Demand Could Increase Discounts.NEWS3: How Much of a Threat Is Labor Unrest for Copper This Year?.NEWS4: Is Rio Tinto Limited (ASX:RIO) Worth $78.04 Based On Its Intrinsic Value?.
2018-01-10: NEWS1: Liberty House makes binding offer for Rio Tinto's French aluminium smelter.NEWS2: Why Energy Prices Still Matter to Freeport-McMoRan Investors.NEWS3: 1 Surprising Industry That Autonomous Vehicles Could Revolutionize.NEWS4: 1 Surprising Industry That Autonomous Vehicles Could Revolutionize.NEWS5: China’s Steel Demand Indicators: A Slower 2018?.NEWS6: 1 Surprising Industry That Autonomous Vehicles Could Revolutionize.NEWS7: Rio Tinto Receives Binding Offer For Aluminium Dunkerque - Quick Facts.NEWS8: Rio Tinto Receives Binding Offer For Aluminium Dunkerque - Quick Facts.NEWS9: PRESS DIGEST- Financial Times - Jan 10.

Answer: Rise