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:2018-09-28, Stock:NVO, The news for the past five days is as follows:
2018-09-21: NEWS1: Ontario becomes first province to provide public funding of TRESIBA® for adults with diabetes mellitus.
2018-09-24: NEWS1: NVO November 16th Options Begin Trading.NEWS2: NVO November 16th Options Begin Trading.
2018-09-25: nan
2018-09-26: nan
2018-09-27: NEWS1: MannKind Stock History.NEWS2: MannKind Stock History.NEWS3: Investing in Diabetes Stocks: A Beginner's Guide.NEWS4: Investing in Diabetes Stocks: A Beginner's Guide.NEWS5: Investing in Diabetes Stocks: A Beginner&apos;s Guide.NEWS6: Government of Quebec provides adults living with diabetes mellitus access to ultra-long-acting insulin, TRESIBA®.

Answer: Decrease