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:2021-01-20, Stock:RIO, The news for the past five days is as follows:
2021-01-12: nan
2021-01-13: NEWS1: NZAS reaches deal with Meridian to extend operations to 2024.NEWS2: Coast Capital CIO on Euro markets, gold and problem with ESG investing.NEWS3: Native Americans sue Trump administration over Arizona copper project.
2021-01-14: NEWS1: Native Americans say U.S. does not own land it is about to give to Rio Tinto.
2021-01-15: NEWS1: Michelob Ultra Goes Greener With Aluminum in MacBooks.NEWS2: U.S. Approves Copper Mine Land Swap on Native American Land.NEWS3: Resolution Copper project enters next phase of public consultation.NEWS4: U.S. judge denies Native American request to block study linked to Rio copper mine.
2021-01-19: NEWS1: CIMA FINANCE DAC SERIES 2020-6 -- Moody's assigns provisional rating to CiMA Finance Designated Activity Company series 2020-6 notes.

Answer: Rise