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:2021-06-07, Stock:RIO, The news for the past five days is as follows:
2021-05-28: NEWS1: Iron-Ore Miners Strive to Avoid Past Mistakes as Prices Boom.
2021-06-01: nan
2021-06-02: NEWS1: 10 Best Dividend ETFs to Buy According to Reddit.NEWS2: 3 Stocks to Watch as Iron Ore Price Soars Above $200 a Ton.
2021-06-03: NEWS1: Ben Wyatt to join Rio Tinto Board.
2021-06-04: NEWS1: 10 Best Uranium Stocks to Buy Now.NEWS2: Indigenous Australian Scores Board Seats at Resources Giants.NEWS3: Rio Tinto appoints Aboriginal Australian former minister to board.NEWS4: Rio Tinto appoints first Aboriginal director after sacred cave blasts.

Answer: Decrease