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:2019-03-07, Stock:PTR, The news for the past five days is as follows:
2019-02-28: NEWS1: Shell-PetroChina Australian JV Gets Leases for Surat Gas Project.NEWS2: Shell-PetroChina Australian JV Gets Leases for Surat Gas Project.NEWS3: Shell, PetroChina JV Arrow wins leases for big Australian gas project.
2019-03-01: nan
2019-03-04: nan
2019-03-05: NEWS1: Patterson-UTI Energy, Inc. (PTEN) Ex-Dividend Date Scheduled for March 06, 2019.NEWS2: Patterson-UTI Energy, Inc. (PTEN) Ex-Dividend Date Scheduled for March 06, 2019.NEWS3: Kosmos Energy Ltd. (KOS) Ex-Dividend Date Scheduled for March 06, 2019.NEWS4: Kosmos Energy Ltd. (KOS) Ex-Dividend Date Scheduled for March 06, 2019.
2019-03-06: NEWS1: Local Gas Shortage Threatens Australia’s LNG Dream.

Answer: Decrease