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:2019-05-15, Stock:COP, The news for the past five days is as follows:
2019-05-08: nan
2019-05-09: NEWS1: Why the United States Imports Oil.NEWS2: Is ConocoPhillips Entering the ‘Best Buy’ Zone?.NEWS3: ConocoPhillips (COP) Ex-Dividend Date Scheduled for May 10, 2019.NEWS4: ConocoPhillips (COP) Ex-Dividend Date Scheduled for May 10, 2019.NEWS5: Venezuela is paying its bondholders*.
2019-05-10: NEWS1: iShares Russell 1000 Value ETF Experiences Big Outflow.NEWS2: iShares Russell 1000 Value ETF Experiences Big Outflow.NEWS3: LME appoints first chairwoman in its history.
2019-05-13: NEWS1: PetroChina (PTR) Q1 Earnings Edge Up on Upstream Strength.NEWS2: PetroChina (PTR) Q1 Earnings Edge Up on Upstream Strength.NEWS3: PetroChina (PTR) Q1 Earnings Edge Up on Upstream Strength.
2019-05-14: NEWS1: ConocoPhillips will not chase expensive Permian deals, CEO says.NEWS2: Oil Fell on Global Growth Concerns as US-China Trade War Escalates.

Answer: Decrease