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:2020-07-01, Stock:RIO, The news for the past five days is as follows:
2020-06-24: NEWS1: Pentwater Issues Letter to Turquoise Hill Calling for Increased Transparency in Financial Disclosures and Urges Shareholders to Vote for Pentwater’s Proposals to Restore Accountability.
2020-06-25: nan
2020-06-26: NEWS1: Top Ranked Momentum Stocks to Buy for June 26th.NEWS2: Top Ranked Income Stocks to Buy for June 26th.NEWS3: Is Rio Tinto Group's (LON:RIO) Stock's Recent Performance Being Led By Its Attractive Financial Prospects?.
2020-06-29: NEWS1: BHP Overstayed in Petroleum. Time to Exit.NEWS2: Rio avoids $1bn bill for Mongolian power plant in Gobi desert.NEWS3: Rio Tinto reaches power supply deal with Mongolia for Oyu Tolgoi mine.
2020-06-30: NEWS1: Rio Tinto adds a strategy and development role to the executive committee.

Answer: Decrease