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:2019-06-06, Stock:RIO, The news for the past five days is as follows:
2019-05-30: NEWS1: Top Ranked Income Stocks to Buy for May 30th.NEWS2: Top Ranked Income Stocks to Buy for May 30th.NEWS3: Top Ranked Income Stocks to Buy for May 30th.
2019-05-31: NEWS1: New Strong Buy Stocks for May 31st.NEWS2: New Strong Buy Stocks for May 31st.NEWS3: New Strong Buy Stocks for May 31st.
2019-06-03: nan
2019-06-04: NEWS1: The Zacks Analyst Blog Highlights: Rio Tinto, Blackrock and Roku.NEWS2: The Zacks Analyst Blog Highlights: Rio Tinto, Blackrock and Roku.NEWS3: The Zacks Analyst Blog Highlights: Rio Tinto, Blackrock and Roku.NEWS4: Newmont Goldcorp Corporation (NEM) Ex-Dividend Date Scheduled for June 05, 2019.NEWS5: Newmont Goldcorp Corporation (NEM) Ex-Dividend Date Scheduled for June 05, 2019.
2019-06-05: NEWS1: Silvercorp Metals Inc. (SVM) Ex-Dividend Date Scheduled for June 06, 2019.NEWS2: Silvercorp Metals Inc. (SVM) Ex-Dividend Date Scheduled for June 06, 2019.

Answer: Decrease