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:2019-03-15, Stock:RIO, The news for the past five days is as follows:
2019-03-08: NEWS1: China’s February Copper Imports Gave Mixed Signals.NEWS2: Alcoa: Concerns Persist despite Fall in Chinese Aluminum Exports.NEWS3: Alcoa’s Aluminum Exports Continue to Rise, Concerns Persist.NEWS4: Rio Tinto talking to Apple on next step of carbon-free aluminium project.NEWS5: [$$] Rio/Odey: Genghis can’t.NEWS6: [$$] Best of Lex: your weekly round-up.
2019-03-11: NEWS1: Top Ranked Income Stocks to Buy for March 11th.
2019-03-12: NEWS1: Mining’s Dirty Secret Won’t Survive a Changing Climate.NEWS2: Mining’s Dirty Secret Won’t Survive a Changing Climate.NEWS3: Top Ranked Income Stocks to Buy for March 11th.NEWS4: Franco-Nevada Corporation (FNV) Ex-Dividend Date Scheduled for March 13, 2019.NEWS5: Franco-Nevada Corporation (FNV) Ex-Dividend Date Scheduled for March 13, 2019.NEWS6: Nexa Resources S.A. (NEXA) Ex-Dividend Date Scheduled for March 13, 2019.NEWS7: Nexa Resources S.A. (NEXA) Ex-Dividend Date Scheduled for March 13, 2019.NEWS8: Goldcorp Inc. (GG) Ex-Dividend Date Scheduled for March 13, 2019.NEWS9: Goldcorp Inc. (GG) Ex-Dividend Date Scheduled for March 13, 2019.
2019-03-13: NEWS1: Gold Fields Limited (GFI) Ex-Dividend Date Scheduled for March 14, 2019.NEWS2: Gold Fields Limited (GFI) Ex-Dividend Date Scheduled for March 14, 2019.NEWS3: Alamos Gold Inc. (AGI) Ex-Dividend Date Scheduled for March 14, 2019.NEWS4: Alamos Gold Inc. (AGI) Ex-Dividend Date Scheduled for March 14, 2019.
2019-03-14: NEWS1: Is Britain Headed for a Soft Brexit? 5 Picks.NEWS2: Is Britain Headed for a Soft Brexit? 5 Picks.NEWS3: Is Britain Headed for a Soft Brexit? 5 Picks.

Answer: Decrease