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:2019-07-22, Stock:PTR, The news for the past five days is as follows:
2019-07-15: NEWS1: Asian markets recover after China’s GDP growth fails to meet already low expectations.
2019-07-16: NEWS1: Will Chevron's Kitimat LNG Become an All-Electric Plant?.NEWS2: Will Chevron's Kitimat LNG Become an All-Electric Plant?.NEWS3: Will Chevron's Kitimat LNG Become an All-Electric Plant?.NEWS4: PetroChina Is Worth Less Than its Reserves.
2019-07-17: nan
2019-07-18: nan
2019-07-19: NEWS1: Exclusive: Italian, Chinese majors vie in Pakistan's mega LNG tender.NEWS2: China's refiners want tax cuts before making cleaner shipping fuel: sources.

Answer: Decrease