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:2019-12-19, Stock:TSM, The news for the past five days is as follows:
2019-12-12: NEWS1: Taiwan Semiconductor Sales Get Boost From Smartphone Chips.
2019-12-13: nan
2019-12-16: NEWS1: Bitmain Rival’s Founder Arrested as War of Crypto Miners Heats up.
2019-12-17: NEWS1: TSMC (TSM) Outpaces Stock Market Gains: What You Should Know.
2019-12-18: NEWS1: AMD’s Chip Success Will Boost Taiwan Semiconductor Stock, Analyst Says.

Answer: Decrease