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:2019-05-15, Stock:VALE, The news for the past five days is as follows:
2019-05-08: NEWS1: Vale iron ore output, sales slump after deadly Brazil dam burst.NEWS2: China iron ore imports fall to 18-month low in April as Brazil shipments slide.
2019-05-09: NEWS1: Vale posts $1.64 bln loss for quarter marred by deadly dam burst.NEWS2: After-Hours Earnings Report for May 9, 2019 :  BKNG, NTR, MTD, LBRDK, VALE, WYNN, EFX, SYMC, EQH, QRTEA, CABO, GLIBA.NEWS3: After-Hours Earnings Report for May 9, 2019 :  BKNG, NTR, MTD, LBRDK, VALE, WYNN, EFX, SYMC, EQH, QRTEA, CABO, GLIBA.NEWS4: Can Deleveraging Help Vale Offset Lower Iron Ore Production In Q1 2019?.NEWS5: Can Deleveraging Help Vale Offset Lower Iron Ore Production In Q1 2019?.
2019-05-10: NEWS1: Vale (VALE) Reports Loss in Q1, Revenues Lag on Dam Disaster.NEWS2: Vale (VALE) Reports Loss in Q1, Revenues Lag on Dam Disaster.NEWS3: Vale CFO says hopes to return to 400 mln tonnes annual output in 2-3 years.NEWS4: Vale's new CEO says committed to reparations for dam burst victims.NEWS5: Vale SA to Host Earnings Call.NEWS6: Vale (VALE) Reports Loss in Q1, Revenues Lag on Dam Disaster.NEWS7: Brazil's Vale swings to loss as dam burst charges near $5 bln.
2019-05-13: nan
2019-05-14: NEWS1: Brazil's Vale says co is reviewing its asset portfolio.

Answer: Decrease