{"conversations": [{"from": "human", "value": "Lurra zein handia da?"}, {"from": "gpt", "value": "Ekuatoreko lurraren diametroa 12,756 km da."}, {"from": "human", "value": "Zein da lurraren bolumena?"}, {"from": "gpt", "value": "Bolumenez, lurra mila milioiren bat kilometro kubikotan dago."}]}