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:2020-02-28, Stock:RIO, The news for the past five days is as follows:
2020-02-21: NEWS1: How an Iron-Ore Billionaire Escapes ESG Scrutiny.NEWS2: Rio Tinto board changes.NEWS3: Rio Tinto looks to diversify board with addition of more women.
2020-02-24: NEWS1: Markets Are Waking Up to the Virus Reality.
2020-02-25: NEWS1: RPT-COLUMN-Iron ore shows rain can triumph over China virus fears: Russell.NEWS2: COLUMN-Iron ore shows rain can triumph over China virus fears: Russell.
2020-02-26: NEWS1: Rio Tinto to invest $1 billion to help meet new climate change targets.NEWS2: Shares tumble again as pandemic fears deepen.NEWS3: Rio CEO Says World Must Sacrifice Growth to Meet Climate Goals.NEWS4: Rio Tinto Is Digging Mostly Into Its Pocket.NEWS5: Miner Rio Tinto posts biggest profit in eight years.NEWS6: Mining Giant Rio Tinto Flags Virus Uncertainty Threat.NEWS7: Rio Tinto 2019 full year results presentation.NEWS8: Rio Tinto chief rejects setting greenhouse targets for customers.NEWS9: Rio Tinto announces full-year ordinary dividend of $6.2 billion (382 US cents per share), including record final ordinary dividend of $3.7 billion (231 US cents per share), resulting in total cash returns of $7.2 billion (443 US cents per share).NEWS10: Rio Tinto boss pledges zero emissions by 2050.
2020-02-27: nan

Answer: Decrease