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:2021-01-15, Stock:RIO, The news for the past five days is as follows:
2021-01-08: NEWS1: Top Ranked Momentum Stocks to Buy for January 8th.NEWS2: The Zacks Analyst Blog Highlights: ArcelorMittal, Ubiquiti, Rio Tinto, General Motors and Liberty Broadband.NEWS3: Trump moves to loosen mining regulations, approve projects as he exits.
2021-01-11: NEWS1: Why Turquoise Hill Resources Stock Is Tanking Today.NEWS2: Mongolia considers terminating, replacing plan to develop Oyu Tolgoi copper mine.
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.

Answer: Decrease