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:2018-11-20, Stock:RDS-B, The news for the past five days is as follows:
2018-11-13: NEWS1: European Shares Rebound As Trade Tensions Ease.NEWS2: European Shares Rebound As Trade Tensions Ease.NEWS3: FTSE 100 Rebounds As Trade Tensions Ease; Vodafone Shares Up Over 7%.NEWS4: FTSE 100 Rebounds As Trade Tensions Ease; Vodafone Shares Up Over 7%.
2018-11-14: nan
2018-11-15: nan
2018-11-16: nan
2018-11-19: nan

Answer: Decrease