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:2018-02-05, Stock:RIO, The news for the past five days is as follows:
2018-01-29: NEWS1: What Record Iron Ore Shipments from Port Hedland Mean for Prices.NEWS2: Can Iron Ore Prices Improve in 2018?.NEWS3: Can Global Mining Stocks Generate Sustainable Free Cash, Dividends?.NEWS4: Freeport-McMoRan Is Positive on Copper’s Outlook.NEWS5: U.K. stocks end higher, boosted by pound’s pullback.NEWS6: Revisiting My Brexit Friday Buy Calls On Shell, BP, Rio Tinto, BHP Billiton And Diageo.NEWS7: Could We See Valuation Upside for BHP in 2018?.
2018-01-30: NEWS1: Can China’s Steel Production Support Iron Ore Prices in 2018?.NEWS2: China’s 2017 Iron Ore Imports Hit Record High: How’s 2018 Looking?.NEWS3: Iron Ore Port Inventories Hit a New High, Prices Reel.NEWS4: What’s the Best Outcome for Freeport in Indonesia?.
2018-01-31: NEWS1: How Has Cliffs' Revenue Composition Changed Over The Past 5 Years?.NEWS2: How Has Cliffs' Revenue Composition Changed Over The Past 5 Years?.NEWS3: China’s Auto Market Expected to Grow 3% in 2018: Impact on Iron Ore.NEWS4: Rio Tinto denies Dutch NGO allegation it avoided Oyu Tolgoi tax.NEWS5: Iron Ore: China’s Property Market Shows Signs of Weakness.NEWS6: Cliffs Expects Some Cost Inflation in US Iron Ore Division.NEWS7: Do China’s Steel Prices Have More Room to Benefit Iron Ore Prices?.NEWS8: What Prompted Cliffs to Speed Up Closure of Australian Operations?.NEWS9: Rio Tinto Accused of $700 Million Tax Dodge on Mongolian Mine.
2018-02-01: NEWS1: Iron Ore and China’s Industrial Production and Asset Investment.NEWS2: Will China’s Credit Growth Crackdown Mean Weakness in Iron Ore?.NEWS3: What Does The 'Smart Money' Think Of Copper Now?.
2018-02-02: NEWS1: Should Rio Tinto Limited (ASX:RIO) Be Part Of Your Dividend Portfolio?.

Answer: Decrease