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:2021-12-21, Stock:VALE, The news for the past five days is as follows:
2021-12-14: NEWS1: Vale (VALE) to Sell Stake in California Steel Industries for $400M.
2021-12-15: NEWS1: VanEck Natural Resources ETF Buys Tyson Foods Inc, Vale SA, Newmont Corp, Sells Wilmar ....
2021-12-16: NEWS1: 10 Dividend Stocks with over 11% Yield.
2021-12-17: nan
2021-12-20: nan

Answer: Rise