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:2018-03-19, Stock:RIO, The news for the past five days is as follows:
2018-03-12: NEWS1: Top 4 Coal-Mining Stocks as of March 2018.NEWS2: [$$] Miners Fight to Protect Commodity Gains From Rising Costs.
2018-03-13: NEWS1: Franco-Nevada Corporation (FNV) Ex-Dividend Date Scheduled for March 14, 2018.NEWS2: Franco-Nevada Corporation (FNV) Ex-Dividend Date Scheduled for March 14, 2018.NEWS3: Goldcorp Inc. (GG) Ex-Dividend Date Scheduled for March 14, 2018.NEWS4: Goldcorp Inc. (GG) Ex-Dividend Date Scheduled for March 14, 2018.NEWS5: Alcoa Isn’t Enthusiastic about President Trump’s Tariffs.NEWS6: As copper booms, miners take hunt to Mongolian dunes.NEWS7: [$$] What Goes Around Comes Around: Energy Prices Dig Into Miners’ Profits.NEWS8: [$$] Rio Tinto’s Mongolian mining woes deepen.
2018-03-14: NEWS1: Is It Too Late To Buy Rio Tinto plc (LON:RIO)?.NEWS2: Mongolia anti-graft body probes 2009 Oyu Tolgoi deal.
2018-03-15: NEWS1: After Hours Most Active for Mar 15, 2018 :  RIO, TEVA, MPLX, HPE, EPD, ETE, QQQ, USMC, MU, ETFC, MSFT, XEL.NEWS2: After Hours Most Active for Mar 15, 2018 :  RIO, TEVA, MPLX, HPE, EPD, ETE, QQQ, USMC, MU, ETFC, MSFT, XEL.NEWS3: How Is Alcoa Likely To Grow In The Next 2 Years?.NEWS4: How Is Alcoa Likely To Grow In The Next 2 Years?.NEWS5: Former Lazard Banker’s Home Raided in Rio Tinto Probe.
2018-03-16: NEWS1: Mongolia Oyu Tolgoi copper mine 2017 revenue drops 22 pct as construction delays weigh.

Answer: Decrease