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:2021-08-16, Stock:RIO, The news for the past five days is as follows:
2021-08-09: NEWS1: London miners climb as JPMorgan turns bullish after sector’s underperformance.NEWS2: Oyu Tolgoi review raises doubts over Rio Tinto stance on cost overruns.NEWS3: Oyu Tolgoi review raises doubts over Rio Tinto stance on cost overruns.
2021-08-10: NEWS1: Oil Prices Bounce Back As Market Demand Recovers.
2021-08-11: nan
2021-08-12: nan
2021-08-13: nan

Answer: Decrease