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:2019-05-17, Stock:VALE, The news for the past five days is as follows:
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.
2019-05-15: NEWS1: Vale Canada and Terrapure win Environmental Leader Award for innovative mine rehabilitation project.
2019-05-16: NEWS1: Vale warns Brazil prosecutors another dam at risk of collapse.NEWS2: Shares of VALE Now Oversold.NEWS3: Shares of VALE Now Oversold.NEWS4: Vale tells prosecutors there is the risk of rupturing of new dam in Minas.

Answer: Rise