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:2018-04-11, Stock:PTR, The news for the past five days is as follows:
2018-04-04: nan
2018-04-05: NEWS1: China Manufacturing & Services PMI Improve: 5 Great Choices.NEWS2: China Manufacturing & Services PMI Improve: 5 Great Choices.NEWS3: China Manufacturing & Services PMI Improve: 5 Great Choices.NEWS4: Pacific Coast Oil Trust (ROYT) Ex-Dividend Date Scheduled for April 06, 2018.NEWS5: Pacific Coast Oil Trust (ROYT) Ex-Dividend Date Scheduled for April 06, 2018.
2018-04-06: NEWS1: Integrated Energy Losses this Week: CEO, PBR, YPF, PTR.NEWS2: The Zacks Analyst Blog Highlights: Autohome, Kingdee International Software Group, China Petroleum & Chemical, Yanzhou Coal Mining and PetroChina.NEWS3: The Zacks Analyst Blog Highlights: Autohome, Kingdee International Software Group, China Petroleum & Chemical, Yanzhou Coal Mining and PetroChina.NEWS4: The Zacks Analyst Blog Highlights: Autohome, Kingdee International Software Group, China Petroleum & Chemical, Yanzhou Coal Mining and PetroChina.
2018-04-09: NEWS1: Shell (RDS.A) Sells Stakes in Mukhaizna Field to Indian Oil.
2018-04-10: NEWS1: China Stock Market May Crack Resistance At 3,200 Points.NEWS2: China Stock Market May Crack Resistance At 3,200 Points.

Answer: Rise