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:2019-01-30, Stock:NVS, The news for the past five days is as follows:
2019-01-23: NEWS1: Why Tilray Stock Can Still Set Itself Apart From the Crowd.NEWS2: Why Tilray Stock Can Still Set Itself Apart From the Crowd.NEWS3: Why Tilray Stock Can Still Set Itself Apart From the Crowd.
2019-01-24: NEWS1: Is a Surprise in the Cards for Novartis (NVS) in Q4 Earnings?.NEWS2: Is a Surprise in the Cards for Novartis (NVS) in Q4 Earnings?.NEWS3: Is a Surprise in the Cards for Novartis (NVS) in Q4 Earnings?.
2019-01-25: NEWS1: Davos 2019: Novartis CEO on company's focus.NEWS2: Novartis urges Britain to secure drug supplies before Brexit.NEWS3: Pre-Market Most Active for Jan 25, 2019 :  PCG, INTC, AMD, CHL, CGC, ERIC, BP, CRON, SQQQ, QQQ, NVS, NOK.NEWS4: Pre-Market Most Active for Jan 25, 2019 :  PCG, INTC, AMD, CHL, CGC, ERIC, BP, CRON, SQQQ, QQQ, NVS, NOK.
2019-01-28: NEWS1: How Novartis Could Throw A Haymaker — And Slam Amgen&apos;s Sales.NEWS2: Amgen (AMGN) to Report Q4 Earnings: What's in the Cards?.NEWS3: Amgen (AMGN) to Report Q4 Earnings: What's in the Cards?.NEWS4: Amgen (AMGN) to Report Q4 Earnings: What's in the Cards?.
2019-01-29: NEWS1: Pre-Market Earnings Report for January 30, 2019 :  T, BABA, BA, MCD, TMO, ANTM, ADP, GD, NVS, SIRI, RCL, IR.NEWS2: Pre-Market Earnings Report for January 30, 2019 :  T, BABA, BA, MCD, TMO, ANTM, ADP, GD, NVS, SIRI, RCL, IR.NEWS3: Allergan (AGN) Q4 Earnings Beat Estimates, 2019 View Tepid.NEWS4: Allergan (AGN) Q4 Earnings Beat Estimates, 2019 View Tepid.NEWS5: Allergan (AGN) Q4 Earnings Beat Estimates, 2019 View Tepid.

Answer: Decrease