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:2018-04-30, Stock:SNP, The news for the past five days is as follows:
2018-04-23: NEWS1: Hong Kong Bourse May Open Under Mild Pressure.NEWS2: Hong Kong Bourse May Open Under Mild Pressure.NEWS3: China Shares Inherit Flat Lead For Tuesday.NEWS4: China Shares Inherit Flat Lead For Tuesday.
2018-04-24: NEWS1: Hang Seng May Head South Again On Wednesday.NEWS2: Hang Seng May Head South Again On Wednesday.NEWS3: Renewed Consolidation Expected For China Shares.NEWS4: Renewed Consolidation Expected For China Shares.
2018-04-25: NEWS1: Mild Upside Seen For Hong Kong Stock Market.NEWS2: Mild Upside Seen For Hong Kong Stock Market.NEWS3: China Stock Market May See Renewed Support.NEWS4: China Stock Market May See Renewed Support.
2018-04-26: NEWS1: Hong Kong Shares: Support Seen At 30,000 Points.NEWS2: Hong Kong Shares: Support Seen At 30,000 Points.NEWS3: Rebound Predicted For China Stock Market.NEWS4: Rebound Predicted For China Stock Market.NEWS5: Sinopec Corp Posts Net Profit of RMB 19.3 billion for Q1 2018.NEWS6: Sinopec Corp Posts Net Profit of RMB 19.3 billion for Q1 2018.
2018-04-27: NEWS1: China Petroleum & Chemical Corporation Files 2017 Annual Report on Form 20-F.

Answer: Decrease