Question: Which dog breed, Cirneco dell'Etna or Flat-Coated Retriever, is primarily built for endurance over harsh terrain?
{'answer': "Cirneco dell'Etna", 'supporting_facts': [["Cirneco dell'Etna", 0], ["Cirneco dell'Etna", 2], ['Flat-Coated Retriever', 1]]}