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:2020-08-31, Stock:VALE, The news for the past five days is as follows:
2020-08-24: nan
2020-08-25: NEWS1: EMERGING MARKETS-Brazil real rises as weak inflation spurs bets against rate cut.NEWS2: EMERGING MARKETS-Brazil's real weakens as inflation slows; Mexican, Chilean pesos rise.NEWS3: Brazil's Vale inaugurates China iron ore grinding unit -filing.
2020-08-26: NEWS1: Brazil's Minas Gerais state sues Vale over Brumadinho disaster.
2020-08-27: nan
2020-08-28: nan

Answer: Decrease