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:2018-02-22, Stock:SNP, The news for the past five days is as follows:
2018-02-14: NEWS1: Hong Kong Bourse Draws Positive Lead For Thursday.NEWS2: Hong Kong Bourse Draws Positive Lead For Thursday.
2018-02-15: NEWS1: Origin Energy Finance Limited -- Moody's: Origin's half year results are credit positive, ratings unaffected.NEWS2: Origin Energy Finance Limited -- Moody's: Origin's half year results are credit positive, ratings unaffected.
2018-02-16: nan
2018-02-20: nan
2018-02-21: NEWS1: Profit Taking Expected For Hong Kong Stock Market.NEWS2: Profit Taking Expected For Hong Kong Stock Market.NEWS3: China Stock Market Tipped To Return To The Upside.NEWS4: China Stock Market Tipped To Return To The Upside.NEWS5: Asian ADRs Move Higher in Wednesday Trading.NEWS6: Asian ADRs Move Higher in Wednesday Trading.

Answer: Decrease