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:2018-03-20, Stock:PTR, The news for the past five days is as follows:
2018-03-13: NEWS1: China Shares May Take Further Damage On Wednesday.NEWS2: China Shares May Take Further Damage On Wednesday.NEWS3: Evolution Petroleum Corporation, Inc. (EPM) Ex-Dividend Date Scheduled for March 14, 2018.NEWS4: Evolution Petroleum Corporation, Inc. (EPM) Ex-Dividend Date Scheduled for March 14, 2018.NEWS5: Devon Energy Corporation (DVN) Ex-Dividend Date Scheduled for March 14, 2018.NEWS6: Devon Energy Corporation (DVN) Ex-Dividend Date Scheduled for March 14, 2018.NEWS7: Sabine Royalty Trust (SBR) Ex-Dividend Date Scheduled for March 14, 2018.NEWS8: Sabine Royalty Trust (SBR) Ex-Dividend Date Scheduled for March 14, 2018.NEWS9: Encana Corporation (ECA) Ex-Dividend Date Scheduled for March 14, 2018.NEWS10: Encana Corporation (ECA) Ex-Dividend Date Scheduled for March 14, 2018.NEWS11: Sasol Ltd. (SSL) Ex-Dividend Date Scheduled for March 14, 2018.NEWS12: Sasol Ltd. (SSL) Ex-Dividend Date Scheduled for March 14, 2018.NEWS13: Cenovus Energy Inc (CVE) Ex-Dividend Date Scheduled for March 14, 2018.NEWS14: Cenovus Energy Inc (CVE) Ex-Dividend Date Scheduled for March 14, 2018.NEWS15: Chesapeake Utilities Corporation (CPK) Ex-Dividend Date Scheduled for March 14, 2018.NEWS16: Chesapeake Utilities Corporation (CPK) Ex-Dividend Date Scheduled for March 14, 2018.
2018-03-14: NEWS1: The Oil Giant That Investors Ignore.NEWS2: Soft Start Seen For China Stock Market.NEWS3: Soft Start Seen For China Stock Market.NEWS4: Canadian Natural Resources Limited (CNQ) Ex-Dividend Date Scheduled for March 15, 2018.NEWS5: Canadian Natural Resources Limited (CNQ) Ex-Dividend Date Scheduled for March 15, 2018.NEWS6: Range Resources Corporation (RRC) Ex-Dividend Date Scheduled for March 15, 2018.NEWS7: Range Resources Corporation (RRC) Ex-Dividend Date Scheduled for March 15, 2018.
2018-03-15: NEWS1: China Stock Market May Be Stuck In Neutral.NEWS2: China Stock Market May Be Stuck In Neutral.
2018-03-16: nan
2018-03-19: NEWS1: Renewed Selling Pressure Tipped For China Bourse.NEWS2: Renewed Selling Pressure Tipped For China Bourse.NEWS3: Shell Stock Slumps: Where Will It Be by March 30?.NEWS4: Shell Stock Slumps: Where Will It Be by March 30?.NEWS5: A Closer Look at Shell’s Moving Averages in 1Q18.NEWS6: A Closer Look at Shell’s Moving Averages in 1Q18.

Answer: Rise