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:2021-05-13, Stock:SNP, The news for the past five days is as follows:
2021-05-06: nan
2021-05-07: nan
2021-05-10: NEWS1: PetroChina (PTR) Q1 Earnings Show Signs of a Turnaround.
2021-05-11: NEWS1: Zhang Yuzhuo, Chairman of Sinopec: Accelerating the World-class Brand Build up to Better Lead the High-quality Development of Enterprise.
2021-05-12: nan

Answer: Decrease