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:2018-05-04, Stock:SNP, The news for the past five days is as follows:
2018-04-27: NEWS1: China Petroleum & Chemical Corporation Files 2017 Annual Report on Form 20-F.
2018-04-30: nan
2018-05-01: NEWS1: Hong Kong Shares Called Higher Again On Wednesday.NEWS2: Hong Kong Shares Called Higher Again On Wednesday.NEWS3: China Shares May Return To The Upside From Break.NEWS4: China Shares May Return To The Upside From Break.NEWS5: Transocean (RIG) Q1 Earnings Miss Estimates, Revenues Top.NEWS6: Transocean (RIG) Q1 Earnings Miss Estimates, Revenues Top.NEWS7: Encana (ECA) Q1 Earnings Beat on Price and Output Gains.NEWS8: Encana (ECA) Q1 Earnings Beat on Price and Output Gains.NEWS9: New Strong Buy Stocks for May 1st.NEWS10: New Strong Buy Stocks for May 1st.NEWS11: Transocean (RIG) Q1 Earnings Miss Estimates, Revenues Top.NEWS12: New Strong Buy Stocks for May 1st.NEWS13: Encana (ECA) Q1 Earnings Beat on Price and Output Gains.
2018-05-02: NEWS1: Hong Kong Bourse May Open Under Pressure.NEWS2: Hong Kong Bourse May Open Under Pressure.NEWS3: China Shares Tipped To Open In The Red.NEWS4: China Shares Tipped To Open In The Red.NEWS5: PetroChina's (PTR) Q1 Earnings Surge on Oil Price Rally.NEWS6: PetroChina's (PTR) Q1 Earnings Surge on Oil Price Rally.NEWS7: PetroChina&apos;s (PTR) Q1 Earnings Surge on Oil Price Rally.NEWS8: BRIEF-Shandong Polymer Biochemicals Signs Strategic Cooperation Agreement With Sinopec.
2018-05-03: NEWS1: Lower Open Predicted For Hong Kong Shares.NEWS2: Lower Open Predicted For Hong Kong Shares.NEWS3: China Shares Face Renewed Consolidation.NEWS4: China Shares Face Renewed Consolidation.NEWS5: Marathon Oil (MRO) Q1 Earnings Top on Crude Price Strength.NEWS6: Marathon Oil (MRO) Q1 Earnings Top on Crude Price Strength.

Answer: Decrease