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:2020-01-17, Stock:PTR, The news for the past five days is as follows:
2020-01-10: NEWS1: Petrobras Distribuidora S.A. -- Moody's assigns Ba1/Aaa.br first time ratings to Petrobras Distribuidora S.A.; stable outlook.NEWS2: This Trio of Low Price-Book Stocks Is Set to Beat the Market.
2020-01-13: nan
2020-01-14: NEWS1: What Does CNOOC's 2020 Capex & Production Guidance Tell Us?.
2020-01-15: nan
2020-01-16: nan

Answer: Decrease