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:2021-02-19, Stock:CMCSA, The news for the past five days is as follows:
2021-02-11: NEWS1: Comcast NBCUniversal Wants to Help You "Plan Your Vaccine," Launches Nationwide Awareness Campaign and Tool to Navigate COVID-19 Vaccination Process.
2021-02-12: nan
2021-02-16: NEWS1: Echoing Green Announces $2.5 Million Commitment from Comcast NBCUniversal to Advance Racial Equity.
2021-02-17: NEWS1: Roku Is a Pandemic Winner. Its Earnings Are Thursday..NEWS2: Comcast to Participate in Morgan Stanley Investor Conference.NEWS3: 'Studios will keep financing' quality, diverse projects: Will Packer Productions President.
2021-02-18: NEWS1: Comcast Business Announces Nearly $1 Million Investment to Extend High-Performance Network to the City of Chester.NEWS2: Roku’s Earnings Are Thursday. Here’s What to Expect..

Answer: Decrease