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:2020-12-09, Stock:RIO, The news for the past five days is as follows:
2020-12-02: NEWS1: Is iShares MSCI Intl Multifactor ETF (INTF) a Strong ETF Right Now?.
2020-12-03: NEWS1: Rio Tinto Group's (LON:RIO) Stock's On An Uptrend: Are Strong Financials Guiding The Market?.NEWS2: Australian inquiry into sacred cave destruction seen recommending mining reforms.NEWS3: Human Academy Japanese Language School's Online E-commerce Platform Now Equipped with Multi-currency Credit Card Payment Function.
2020-12-04: NEWS1: Billionaire Glasenberg’s Reign Spanned IPO Glory to Graft Probes.
2020-12-07: NEWS1: Trump admin set to approve Arizona land swap for mine opposed by Native Americans.
2020-12-08: NEWS1: Ontario Lottery and Gaming Corporation - EVENING LOTTERY WINNING NUMBERS - Dec. 7, 2020.NEWS2: Rio Tinto may face a fine when Australia cave inquiry reports on Wednesday.

Answer: Decrease