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:2021-02-18, Stock:RIO, The news for the past five days is as follows:
2021-02-10: NEWS1: Is Rio Tinto (RIO) Outperforming Other Basic Materials Stocks This Year?.
2021-02-11: NEWS1: Bestinfond's Top 4th-Quarter Trades.NEWS2: Denison (DNN) Looks Good: Stock Adds 5.1% in Session.
2021-02-12: NEWS1: U.S. judge will not stop land transfer for Rio Tinto mine in Arizona.NEWS2: UPDATE 2-U.S. judge will not stop land transfer for Rio Tinto mine in Arizona.
2021-02-16: NEWS1: Why Rio Tinto Stock Is Testing Multi-Year Highs?.NEWS2: Palantir Stock Slides on Mixed Fourth-Quarter Results.NEWS3: Rio Tinto and Hydro announce intention to close Aluchemie anode plant.NEWS4: Rio Tinto, two others sign deal to explore low-carbon iron in Canada.NEWS5: Rio Tinto teams up with Paul Wurth and SHS-Stahl-Holding-Saar on low-carbon iron in Canada.
2021-02-17: NEWS1: Rio Tinto plc (RIO) Q4 2020 Earnings Call Transcript.NEWS2: Rio Tinto pays out biggest dividend in its 148-year history.NEWS3: Rio Tinto Plc to Host Earnings Call.NEWS4: Swimming in Cash, Rio Boss Backs Controlled Risks to Build Miner.NEWS5: Boom Times for Rio as Shareholders Pocket Record Payout.NEWS6: Rio U-Turns On Emissions as New CEO Takes Climate-Change Journey.NEWS7: Rio Tinto Changes to Mineral Resources and Ore Reserves.NEWS8: Rio Tinto Profit Jumps as China Sends Iron Ore Prices Surging.NEWS9: UPDATE 4-Rio Tinto hands back cash on profit beat, record iron ore.NEWS10: Rio Tinto announces total dividend of 557 US cents per share for 2020, a 72% pay-out, from robust results during a challenging year.NEWS11: Rio Tinto announces biggest dividend in its 148-year history.NEWS12: Rio Tinto announces record $6.5bn final dividend.

Answer: Rise