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:2021-11-05, Stock:SNP, The news for the past five days is as follows:
2021-10-29: NEWS1: Why China Petro&Chm (SNP) is a Great Dividend Stock Right Now.NEWS2: Sinopec expects Q4 sales prices for natural gas to rise 20% or more.
2021-11-01: NEWS1: Sinopec's Ultradeep Prospecting Well to Produce 400,000 Cubic Meters of Shale Gas Daily.NEWS2: Sinopec's Ultradeep Prospecting Well to Produce 400,000 Cubic Meters of Shale Gas Daily.
2021-11-02: nan
2021-11-03: NEWS1: Sinopec Exploits Shale Oil in Shengli Oilfield with Estimated Reserves of 458 Million Tons.NEWS2: Sinopec Exploits Shale Oil in Shengli Oilfield with Estimated Reserves of 458 Million Tons.
2021-11-04: NEWS1: Sinopec (SNP) Slides Slightly After Earnings Decline in Q3.NEWS2: Sinopec Signs Long-term Contract with Venture Global LNG.NEWS3: Sinopec Signs Long-term Contract with Venture Global LNG.

Answer: Decrease