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:2021-02-23, Stock:LLY, The news for the past five days is as follows:
2021-02-16: nan
2021-02-17: NEWS1: Vir and GSK Will Collaborate on Flu Therapy.NEWS2: Eli Lilly's Tirzepatide Reduces A1C And Body Weight, Late-Stage Studies In Type 2 Diabetes Show.NEWS3: Tirzepatide significantly reduced A1C and body weight in people with type 2 diabetes in two phase 3 trials from Lilly's SURPASS program.NEWS4: Kimberly H. Johnson Elected to Lilly Board of Directors.
2021-02-18: NEWS1: Why Rigel Pharmaceuticals Stock Is Jumping Today.NEWS2: Return On Capital Employed Overview: Eli Lilly.NEWS3: The Daily Biotech Pulse: Lily-Rigel Licensing Deal, vTv Starts Early Stage Psoriasis Study, Immunic Data Readout.NEWS4: UPDATE 1-Eli Lilly in deal with Rigel to develop autoimmune therapy for up to $960 mln.NEWS5: Rigel Pharma shares soar 39% premarket on news of deal with Eli Lilly.NEWS6: Lilly and Rigel Enter Strategic Collaboration to Develop RIPK1 Inhibitors for the Potential Treatment of Immunological and Neurodegenerative Diseases.NEWS7: Rigel Pharmaceuticals Rises on Drug Venture With Eli Lilly.NEWS8: Rigel Higher on Immunology-Drug Venture With Eli Lilly.
2021-02-19: nan
2021-02-22: nan

Answer: Rise