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:2020-09-08, Stock:RIO, The news for the past five days is as follows:
2020-08-31: NEWS1: Exclusive: Rio vows to preserve ancient Australian rock shelter after outcry over caves blast.
2020-09-01: nan
2020-09-02: NEWS1: What's Going On With Uranium Prices and Mining Stocks?.
2020-09-03: NEWS1: BHP’s Road To Reduced Emissions Should Be Electric.
2020-09-04: NEWS1: China's yuan gains foothold in iron ore deals, could increase Chinese self-reliance, analysts say.NEWS2: Rio Tinto provides additional information to Parliamentary Inquiry on Juukan Gorge.

Answer: Decrease