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:2021-12-15, Stock:TMUS, The news for the past five days is as follows:
2021-12-08: NEWS1: 5G Open Innovation Lab, CoMotion at the University of Washington, and T-Mobile Collaborate to Accelerate 5G Hardware Innovation.NEWS2: 'We put the nose to the grindstone': How this ad agency got back on track in 2021.NEWS3: There’s Nothing Complicated About ATT Stock, but Gains Will Take Time.
2021-12-09: NEWS1: Telecom Stock Roundup: NOK Inks KDDI Deal, JNPR to Boost Bharti Network & More.NEWS2: Grading 7 Big 5G Stocks as 2022 Looms.
2021-12-10: NEWS1: T-Mobile (TMUS) Gains But Lags Market: What You Should Know.NEWS2: Making a Great Place to Work Even Better.NEWS3: Madison Covered Call & Equity Strategy Fund Buys PayPal Holdings Inc, T-Mobile US Inc, Visa ....
2021-12-13: nan
2021-12-14: nan

Answer: Rise