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:2018-10-04, Stock:PTR, The news for the past five days is as follows:
2018-09-27: NEWS1: China Stock Market Tipped To Regain 2,800-Point Level.NEWS2: China Stock Market Tipped To Regain 2,800-Point Level.NEWS3: Looking for Value? Why It Might Be Time to Try PetroChina (PTR).
2018-09-28: NEWS1: Market Chatter: Shell's LNG Canada Venture Nears Final Approval After PetroChina, Korea Gas Finalize Their Investments.NEWS2: Market Chatter: Shell's LNG Canada Venture Nears Final Approval After PetroChina, Korea Gas Finalize Their Investments.NEWS3: Are You Looking for a Top Momentum Pick? Why PetroChina (PTR) is a Great Choice.NEWS4: BRIEF-PetroChina's Unit To Invest $3.46 Billion In Canada's LNG Project.NEWS5: Shell's LNG Canada ‘Sprints’ Ahead After Asian Partners Give OK.
2018-10-01: NEWS1: Market Chatter: Shell, PetroChina and Partners to Proceed with $31 Bln LNG Canada Natural Gas Project.NEWS2: Market Chatter: Shell, PetroChina and Partners to Proceed with $31 Bln LNG Canada Natural Gas Project.NEWS3: Shell's (RDS.A) LNG Canada Project Set to Get Final Nod Soon.NEWS4: Shell's (RDS.A) LNG Canada Project Set to Get Final Nod Soon.NEWS5: Shell&apos;s (RDS.A) LNG Canada Project Set to Get Final Nod Soon.
2018-10-02: NEWS1: [$$] That Other Trade Battle---in Energy---Heats Up.NEWS2: Shell Makes Final Investment Decision to Proceed on Canadian Liquefied Natural Gas Project.NEWS3: Shell Makes Final Investment Decision to Proceed on Canadian Liquefied Natural Gas Project.
2018-10-03: NEWS1: Is This The Biggest LNG Deal Of The Decade?.NEWS2: Is It Time to Buy Vermilion Stock?.NEWS3: Fluor-JGC Joint Venture Inks $14-Billion LNG Canada Contract.NEWS4: Fluor-JGC Joint Venture Inks $14-Billion LNG Canada Contract.NEWS5: Pacific Coast Oil Trust (ROYT) Ex-Dividend Date Scheduled for October 04, 2018.NEWS6: Pacific Coast Oil Trust (ROYT) Ex-Dividend Date Scheduled for October 04, 2018.

Answer: Decrease