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:2021-10-22, Stock:UL, The news for the past five days is as follows:
2021-10-15: nan
2021-10-18: NEWS1: European stocks close lower as chatter on interest rate hike gets louder.
2021-10-19: nan
2021-10-20: NEWS1: Unilever margins in spotlight as inflation surges.
2021-10-21: NEWS1: Economic Reports Reflect Labor Shortages and Moderate Economic Growth.NEWS2: Unilever Goes All-Out on Pricing as Inflation Accelerates.NEWS3: Marmite maker Unilever hikes prices amid ‘elevated’ cost inflation.NEWS4: Unilever warns of more price hikes as inflation worsens.NEWS5: RPT-UPDATE 5-Unilever warns of more price hikes as inflation worsens.

Answer: Rise