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:2020-11-20, Stock:UNH, The news for the past five days is as follows:
2020-11-13: NEWS1: Muddy Waters Takes on Michael Klein, and SPACs.
2020-11-16: NEWS1: Does UnitedHealth Have Renewed Interest in Buying Amwell?.NEWS2: Multiplan Stock Has a Wild Few Days After Short Report, Earnings, and Wall Street Initiations.NEWS3: UnitedHealth Group Named to Dow Jones Sustainability North America and World Indices for 22nd Consecutive Year.
2020-11-17: NEWS1: Amazon Pharmacy Launch With Big Drug Discounts Hits CVS, Walgreens, GoodRx.
2020-11-18: NEWS1: Charts Suggest Healthcare Stocks Will Remain in Focus.NEWS2: United Health Foundation and Any Baby Can Partner to Expand Maternal Care for At-Risk Women in Texas.
2020-11-19: NEWS1: Dow Jones Lags As Jobless Claims Weigh, But Tesla Fuels Nasdaq Gains.NEWS2: Understanding UnitedHealth Group's Unusual Options Activity.

Answer: Decrease