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:2018-05-31, Stock:NVO, The news for the past five days is as follows:
2018-05-23: NEWS1: Eli Lilly's Trulicity Benefits From Growth of Diabetes Drugs.
2018-05-24: nan
2018-05-25: NEWS1: How to Invest in Diabetes Stocks.NEWS2: How to Invest in Diabetes Stocks.NEWS3: How to Invest in Diabetes Stocks.NEWS4: Almost a quarter of the world’s population will be obese by 2045.NEWS5: Almost a quarter of the world’s population will be obese by 2045.
2018-05-29: NEWS1: Novo Nordisk's oral diabetes drug beats Jardiance in study.
2018-05-30: NEWS1: Novo Nordisk's Oral Ozempic Positive in Diabetes Study.NEWS2: Novo Nordisk's Oral Ozempic Positive in Diabetes Study.NEWS3: Novo Nordisk&apos;s Oral Ozempic Positive in Diabetes Study.

Answer: Decrease