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:2019-05-09, Stock:SNP, The news for the past five days is as follows:
2019-05-02: nan
2019-05-03: nan
2019-05-06: NEWS1: Trump&apos;s Trade Tweets Hammer China&apos;s Stocks and Currency.NEWS2: China State Funds Sought to Cushion Blow as Stocks Tumble.
2019-05-07: NEWS1: China Petroleum and Chemical Corporation -- Moody's announces completion of a periodic review of ratings of China Petroleum and Chemical Corporation.NEWS2: China Petroleum & Chemical Stock Getting Very Oversold.NEWS3: China Petroleum & Chemical Stock Getting Very Oversold.
2019-05-08: nan

Answer: Decrease