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:2020-04-07, Stock:RIO, The news for the past five days is as follows:
2020-03-31: NEWS1: Caught out by big market swings, traders rushed to short U.K. stocks in March. That’s a 40% surge since the same time last year..NEWS2: Rio Tinto to scale back New Zealand aluminium smelter due to virus.
2020-04-01: nan
2020-04-02: NEWS1: PENTWATER FILES PROXY CIRCULAR FOR SHAREHOLDERS OF TURQUOISE HILL RESOURCES LTD. (TSX:TRQ) (NYSE:TRQ).
2020-04-03: NEWS1: Rio Tinto faces fresh investor revolt over Mongolia mine.
2020-04-06: NEWS1: Canned Food Sprees Won’t Save Aluminum.

Answer: Decrease