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:2018-02-07, Stock:PTR, The news for the past five days is as follows:
2018-01-31: NEWS1: Losing Streak May End For China Stock Market.NEWS2: Losing Streak May End For China Stock Market.NEWS3: Hess Midstream Partners LP (HESM) Ex-Dividend Date Scheduled for February 01, 2018.NEWS4: Hess Midstream Partners LP (HESM) Ex-Dividend Date Scheduled for February 01, 2018.NEWS5: China National Petroleum Corporation -- Moody's: PetroChina's positive earnings alert supports CNPC's A1 rating.
2018-02-01: NEWS1: Integrated Energy Losers this Week: CVE, YPF, CVX, CEO and PTR.NEWS2: Losing Streak Likely To Continue For China Bourse.NEWS3: Losing Streak Likely To Continue For China Bourse.NEWS4: Pacific Coast Oil Trust (ROYT) Ex-Dividend Date Scheduled for February 02, 2018.NEWS5: Pacific Coast Oil Trust (ROYT) Ex-Dividend Date Scheduled for February 02, 2018.NEWS6: Total’s Moving Averages are Trending Upward.
2018-02-02: NEWS1: Asian ADRs Move Lower in Friday Trading.NEWS2: Asian ADRs Move Lower in Friday Trading.NEWS3: BP’s Valuations ahead of 4Q17 Earnings.
2018-02-05: NEWS1: Kimbell Royalty Partners (KRP) Ex-Dividend Date Scheduled for February 06, 2018.NEWS2: Kimbell Royalty Partners (KRP) Ex-Dividend Date Scheduled for February 06, 2018.NEWS3: What’s Shell’s Price Forecast Range?.NEWS4: China's soaring natural gas output unable to meet demand set loose in pollution fight.
2018-02-06: NEWS1: Rebound Predicted For China Stock Market.NEWS2: Rebound Predicted For China Stock Market.NEWS3: Pick These 5 Bargain Stocks With Exciting EV/EBITDA Ratios.

Answer: Decrease