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:2019-04-09, Stock:PTR, The news for the past five days is as follows:
2019-04-02: NEWS1: PetroChina (PTR) 2018 Earnings Up 130.7% Y/Y on Upstream Power.NEWS2: Saudi Arabia’s Gas Tank Is Running Low.
2019-04-03: nan
2019-04-04: NEWS1: Pacific Coast Oil Trust (ROYT) Ex-Dividend Date Scheduled for April 05, 2019.NEWS2: Pacific Coast Oil Trust (ROYT) Ex-Dividend Date Scheduled for April 05, 2019.NEWS3: Chevron (CVX) to Double Kitimat LNG Plant Size in Canada.
2019-04-05: nan
2019-04-08: NEWS1: Shell enters China's shale oil scene with joint study with Sinopec.

Answer: Decrease