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:2018-10-31, Stock:SNP, The news for the past five days is as follows:
2018-10-24: NEWS1: No Help Yet For Hong Kong Stock Market.NEWS2: No Help Yet For Hong Kong Stock Market.NEWS3: China Stock Market May Turn Lower Again On Thursday.NEWS4: China Stock Market May Turn Lower Again On Thursday.NEWS5: Energy Sector Update for 10/24/2018: LLEX,SNP,RRC,E.NEWS6: Energy Sector Update for 10/24/2018: LLEX,SNP,RRC,E.NEWS7: Energy Sector Update for 10/24/2018: SNP,RRC,E.NEWS8: Energy Sector Update for 10/24/2018: SNP,RRC,E.NEWS9: Asian ADRs Move Lower in Wednesday Trading.NEWS10: Asian ADRs Move Lower in Wednesday Trading.
2018-10-25: NEWS1: Bargain Hunting Poised To Lift Hong Kong Shares.NEWS2: Bargain Hunting Poised To Lift Hong Kong Shares.NEWS3: China Stock Market May Add To Its Winnings.NEWS4: China Stock Market May Add To Its Winnings.
2018-10-26: nan
2018-10-29: NEWS1: Germany's BASF scoops second China chemicals deal in four months.
2018-10-30: NEWS1: Hong Kong Bourse Expected To Open Higher Again.NEWS2: Hong Kong Bourse Expected To Open Higher Again.NEWS3: China Stock Market Tipped To Open In The Green.NEWS4: China Stock Market Tipped To Open In The Green.NEWS5: Sinopec Corp's Net Profit for 9M 2018 Surges 52.7% Y-o-Y to RMB 60.1 billion.NEWS6: Sinopec Corp's Net Profit for 9M 2018 Surges 52.7% Y-o-Y to RMB 60.1 billion.

Answer: Decrease