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:2021-04-22, Stock:VALE, The news for the past five days is as follows:
2021-04-15: nan
2021-04-16: NEWS1: All Eyes on Brazil for Iron’s Next Move With Vale Set to Report.
2021-04-19: NEWS1: UPDATE 1-Brazil's Vale Q1 output up vs year ago; issues at Itabira, S11D weigh.NEWS2: Vale Output Misses Estimates in Another Boost to Iron Ore Rally.NEWS3: Brazil's Vale Q1 iron ore output gains vs year-ago to 68 mln tonnes.
2021-04-20: NEWS1: VALE S.A. (VALE) Dips More Than Broader Markets: What You Should Know.NEWS2: Vale's (VALE) Lackluster Q1 Production Boosts Iron Ore Prices.NEWS3: Iron Ore Giants Challenged in Race to Meet China Demand.
2021-04-21: nan

Answer: Rise