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:2018-04-23, Stock:VALE, The news for the past five days is as follows:
2018-04-16: NEWS1: Why the Closure of CLF’s Australian Operations Could Be Positive.NEWS2: Brazil's Vale reports iron ore output slips in Q1.NEWS3: Brazil's Vale reports Q1 iron ore output of 81.953 mln tonnes.NEWS4: Why Cliffs’ Asia-Pacific Segment Could Disappoint Again in 1Q18.
2018-04-17: NEWS1: Is Vale S.A. (VALE) a Great Stock for Value Investors?.NEWS2: Is Vale S.A. (VALE) a Great Stock for Value Investors?.NEWS3: Is Vale S.A. (VALE) a Great Stock for Value Investors?.
2018-04-18: nan
2018-04-19: NEWS1: BHP Trims Iron Ore Guidance—How Iron Ore Prices Could Respond.NEWS2: Why Commodity Stocks Surged on April 18—All You Need to Know.NEWS3: BHP Billiton (BHP) Lowers Iron-Ore Production View for FY18.NEWS4: BHP Billiton (BHP) Lowers Iron-Ore Production View for FY18.NEWS5: BHP Billiton (BHP) Lowers Iron-Ore Production View for FY18.
2018-04-20: nan

Answer: Decrease