With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Istanbul is located on the historic Silk Road in modern day Turkey.
text_B: Infigen Energy -LRB- Infigen -RRB- , formerly Babcock & Brown Wind Partners , is a developer , owner and operator of renewable energy generation assets in Australia .. renewable energy. renewable energy. Infigen 's wind farm portfolio has an installed capacity of 557 MW .. All of Infigen 's assets generate electricity from renewable sources and are eligible to sell Large-scale Generation Certificates -LRB- LGCs -RRB- under the mandatory Renewable Energy Target scheme , which operates in Australia under the Renewable Energy -LRB- Electricity -RRB- Act 2000 .. Renewable Energy Target. Mandatory renewable energy target. Infigen previously owned a wind farm portfolio in the US .. In October 2015 Infigen sold its US wind business to an Arclight Capital partners , LLC for US$ 274.4 million .. The US wind farms are subsequently operated by Leeward Renewable Energy , LLC .. Infigen reports under the Carbon Disclosure Project .. Carbon Disclosure Project. Carbon Disclosure Project. Infigen is a member of the Clean Energy Council .
not_related.