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:2021-03-09, Stock:RIO, The news for the past five days is as follows:
2021-03-02: NEWS1: UPDATE 3-Rio Tinto chairman becomes latest high-profile departure after caves blast.NEWS2: Rio Tinto announces Board changes.NEWS3: Rio Tinto chairman, director, to step down after rock shelter destruction.NEWS4: Rio Tinto Chairman Simon Thompson to step down in 2022.NEWS5: IBD Screen Of The Day: Why Ternium, Logitech And Rio Tinto Lead Growth Stocks Today.NEWS6: Rio Tinto statement on amended assessments.
2021-03-03: NEWS1: Rio Chair to Exit After Failings on Aboriginal Site Blasts.NEWS2: Rio Tinto chairman becomes latest high-profile departure after caves blast.NEWS3: Timeline: Rio Tinto's sacred Indigenous caves blast scandal.NEWS4: Rio Tinto chief to step down over cave destruction.NEWS5: Rio Tinto: the spare chair.NEWS6: Rio Tinto chairman to stand down amid outcry over cave blasts.
2021-03-04: NEWS1: Vale, IBD Stock Of The Day, Sets Up New Buy Point As Commodities Jump.NEWS2: 3 High Earnings Return Stocks.NEWS3: Why Turquoise Hill Resources Stock Is Tumbling Today.NEWS4: Turquoise Hill Says CEO Has Been Forced Out by Owner Rio Tinto.NEWS5: UPDATE 4-Turquoise Hill CEO exits after Rio Tinto pressure, shares tumble.NEWS6: Turquoise Hill CEO exits after Rio Tinto pressure, shares tumble.NEWS7: U.S. judge rejects SEC bid to expand Rio Tinto fraud lawsuit on Mozambique coal business.
2021-03-05: NEWS1: Activist investor Pentwater takes aim at Turquoise, Rio boards over CEO exit.
2021-03-08: NEWS1: Screen Of The Day: Big Money Is Snapping Up These Top Stocks.NEWS2: Rio Tinto Group's (RIO) Shares March Higher, Can It Continue?.NEWS3: Rio Tinto to build new tellurium plant at Kennecott mine.NEWS4: Rio Tinto (RIO) Recently Broke Out Above the 50-Day Moving Average.NEWS5: Notices of 2021 annual general meetings.

Answer: Decrease