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:2020-06-24, Stock:RIO, The news for the past five days is as follows:
2020-06-17: NEWS1: CORRECTED-Copper sustainable group expects more members following Rio Tinto's units.NEWS2: MEDIA-Dominion Diamond sues Diavik mine partner for breach of contract, other allegations- CBC News.
2020-06-18: NEWS1: Rio Tinto announces details of board-led heritage process review.
2020-06-19: NEWS1: Rio Tinto Group (RIO): Hedge Funds De-risking.NEWS2: Rio Tinto launches board-led review into sacred caves blast.NEWS3: Rio Tinto launches internal review after sacred caves blast.
2020-06-22: nan
2020-06-23: NEWS1: Australia Sacred Sites Seen Remaining Under Threat After Mine Law Reform.

Answer: Decrease