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:2021-11-05, Stock:RIO, The news for the past five days is as follows:
2021-10-29: nan
2021-11-01: NEWS1: Modi Urges $1 Trillion to Help India’s Transition: COP26 Update.NEWS2: Rio CEO Says Zero Emissions Path Might Not Be Clear Until 2030.
2021-11-02: NEWS1: Iron Ore Back Below $100 as China’s Steel Curbs Roil Market.NEWS2: Were Hedge Funds Right About The Boeing Company (BA)?.NEWS3: Iron Ore Prices in China Plunge. These Stocks Are Tumbling Too..
2021-11-03: NEWS1: 10 Best Gold Stocks To Buy Right Now.NEWS2: Rio Tinto announces purchase price for cash tender offer for 2025 notes.
2021-11-04: NEWS1: Rio Tinto announces expiration and results of its offer to purchase its 3.750 per cent Notes due 2025.

Answer: Decrease