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:2018-02-07, Stock:RIO, The news for the past five days is as follows:
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?.
2018-02-05: NEWS1: Should You Be Tempted To Sell Rio Tinto plc (LON:RIO) At Its Current PE Ratio?.NEWS2: Pile-of-Cash Dilemma for Mining Industry Once Crippled by Slump.
2018-02-06: NEWS1: Alcoa and Metal Prices: Is the Divergence Justified?.

Answer: Decrease