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:2019-05-15, Stock:BRK-A, The news for the past five days is as follows:
2019-05-08: NEWS1: Warren Buffett’s Support for Wells Fargo Stock Isn’t Smart.NEWS2: Warren Buffett’s Support for Wells Fargo Stock Isn’t Smart.NEWS3: 7 Tips for New Investors Young and Old.NEWS4: 7 Tips for New Investors Young and Old.NEWS5: Get Ready to See Amazon Stock Approach to All-Time Highs.NEWS6: Get Ready to See Amazon Stock Approach to All-Time Highs.
2019-05-09: NEWS1: Sirius XM Stock Needs to Get a Little Cheaper.NEWS2: Sirius XM Stock Needs to Get a Little Cheaper.NEWS3: Warren Buffett’s Wonderful Life: Berkshire Hathaway and the Anadarko Deal.NEWS4: Warren Buffett’s Wonderful Life: Berkshire Hathaway and the Anadarko Deal.
2019-05-10: nan
2019-05-13: nan
2019-05-14: NEWS1: Occidental Deal Highlights The Edge In Berkshire Hathaway Stock.NEWS2: Occidental Deal Highlights The Edge In Berkshire Hathaway Stock.

Answer: Decrease