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:2019-10-18, Stock:VALE, The news for the past five days is as follows:
2019-10-11: nan
2019-10-14: NEWS1: EMERGING MARKETS-Brazil's real lags the most as trade optimism wanes.NEWS2: UPDATE 1-Vale Q3 iron ore output falls 17.4% year-on-year following Brazil dam break.NEWS3: Vale Q3 iron ore output falls 17.4% year-on-year following Brazil dam break.
2019-10-15: NEWS1: Vale Q3 Iron Ore Output Up 35% Q/Q, To Recover 50 Mt by 2021.
2019-10-16: NEWS1: EMERGING MARKETS-Latam markets aided by soft dollar, Argentine peso down on inflation data.
2019-10-17: nan

Answer: Decrease