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:2018-12-21, Stock:UL, The news for the past five days is as follows:
2018-12-14: nan
2018-12-17: nan
2018-12-18: NEWS1: Will Church & Dwight (CHD) Sustain its Robust Record in 2019?.NEWS2: Will Church & Dwight (CHD) Sustain its Robust Record in 2019?.NEWS3: Will Church & Dwight (CHD) Sustain its Robust Record in 2019?.NEWS4: Fourth Rate Hike Likely to Raise Volatility: 5 Defensive Picks.NEWS5: Fourth Rate Hike Likely to Raise Volatility: 5 Defensive Picks.NEWS6: Pre-Market Most Active for Dec 18, 2018 :  RCII, AEG, FLEX, SQQQ, NVS, AMD, QQQ, GE, UL, CFG, BHP, TQQQ.NEWS7: Pre-Market Most Active for Dec 18, 2018 :  RCII, AEG, FLEX, SQQQ, NVS, AMD, QQQ, GE, UL, CFG, BHP, TQQQ.NEWS8: Fourth Rate Hike Likely to Raise Volatility: 5 Defensive Picks.
2018-12-19: NEWS1: The Zacks Analyst Blog Highlights: Otter, Pinnacle West, Duke, Archer Daniels and Unilever.NEWS2: The Zacks Analyst Blog Highlights: Otter, Pinnacle West, Duke, Archer Daniels and Unilever.
2018-12-20: nan

Answer: Decrease