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:2019-01-22, Stock:NVS, The news for the past five days is as follows:
2019-01-14: NEWS1: Tilray Shares Rally as Investor Plans Not to Sell Shares.NEWS2: Tilray Shares Rally as Investor Plans Not to Sell Shares.NEWS3: Tilray Shares Rally as Investor Plans Not to Sell Shares.
2019-01-15: NEWS1: Here's How The Government Shutdown Will Affect These Medical Stocks.
2019-01-16: NEWS1: Adamis stock surges on release of EpiPen alternative.NEWS2: Intrexon Signs Licensing Agreement with Next Green Wave.NEWS3: Tilray Teams Up With Authentic Brands, Stock Down on Sell-Off.NEWS4: Tilray Teams Up With Authentic Brands, Stock Down on Sell-Off.NEWS5: 6 Reasons Why You Should Buy Eli Lilly (LLY) Stock in 2019.NEWS6: 6 Reasons Why You Should Buy Eli Lilly (LLY) Stock in 2019.NEWS7: Tilray Teams Up With Authentic Brands, Stock Down on Sell-Off.NEWS8: 6 Reasons Why You Should Buy Eli Lilly (LLY) Stock in 2019.
2019-01-17: NEWS1: Health Care Sector Update for 01/17/2019: INSY,ZFGN,ADMP,ACB.NEWS2: Health Care Sector Update for 01/17/2019: INSY,ZFGN,ADMP,ACB.NEWS3: NVS or AZN: Which Is the Better Value Stock Right Now?.NEWS4: Health Care Sector Update for 01/17/2019: ZFGN, ADMP, NVS, ACB, JNJ, PFE, MRK, ABT, AMGN.NEWS5: Health Care Sector Update for 01/17/2019: ZFGN, ADMP, NVS, ACB, JNJ, PFE, MRK, ABT, AMGN.
2019-01-18: NEWS1: NVS or AZN: Which Is the Better Value Stock Right Now?.NEWS2: NVS or AZN: Which Is the Better Value Stock Right Now?.

Answer: Decrease