question: Are Kakwa River and Bighead River located in the same country?
context: [["Haughton River", ["The Haughton River is a river located in North Queensland, Australia."]], ["Dawson River (Queensland)", ["The Dawson River is a river located in Central Queensland, Australia."]], ["Dee River (Queensland)", ["The Dee River is a river located in Central Queensland, Australia."]], ["Bowen River (Queensland)", ["The Bowen River is a river located in North Queensland, Australia."]], ["Alder Creek (Siskiyou County, California)", ["Alder Creek is a river located in Siskiyou County, California."]], ["Don River (North Queensland)", ["The Don River is a river located in North Queensland, Australia."]], ["Kakwa River", ["The Kakwa River is a tributary of the Smoky River in western Alberta, Canada.", "The river is named for \"Kakwa\", the Cree word for porcupine.", "Porcupines are abundant in Kakwa Provincial Park and Protected Area.", "Tourism along the river revolves around bull trout fishing and white water rafting.", "Kakwa Falls  are developed in the course of the river, over a high ledge formed by an outcrop of the Cadomin Formation.", "The area was designated a protected wildland (Kakwa Wildland Park).", "It can be accessed through the forestry road network south of Highway 666, approximately south of Two Lakes Provincial Park."]], ["Bighead River", ["The Bighead River is a river in Grey County in southern Ontario, Canada, that flows from the Niagara Escarpment between the communities along Ontario Highway 10 of Arnott and Holland Centre in the township of Chatsworth to empty into Nottawasaga Bay, an inlet of Georgian Bay on Lake Huron, at Meaford.", "The river crosses the Bruce Trail in the valley between the Spey River Forest Area and the Walters Falls Conservation Area."]], ["Stuart River (Minnesota)", ["The Stuart River is a river located in Minnesota, in the United States."]], ["Aibiki River", ["The is a river located in Takamatsu, Kagawa, Japan."]]]
supporting_facts: [["Kakwa River", 0], ["Bighead River", 0]]
evidences: [["Kakwa River", "country", "Canada"], ["Bighead River", "country", "Canada"]]
answer: yes