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:2021-10-18, Stock:D, The news for the past five days is as follows:
2021-10-11: NEWS1: Southwest Gas Adopts Poison Pill as Icahn Opposes Questar Deal.NEWS2: Southwest Gas adopts poison pill to hinder activist Icahn's deal protests.
2021-10-12: NEWS1: Hedge Funds Are Dumping Dominion Energy Inc. (D).
2021-10-13: nan
2021-10-14: NEWS1: Icahn to Commence Proxy Contest, Tender Offer for Southwest Gas.NEWS2: CORRECTED-UPDATE 1-Icahn launches offer for Southwest Gas shares, seeks to replace board.NEWS3: Duke Energy-backed Southeast energy market moves forward with FERC deadlocked.
2021-10-15: nan

Answer: Decrease