Mount Lucania
Mount Lucania is the third-highest mountain in Canada , and the second-highest mountain located entirely within the country ( the summit of Mount Saint Elias , Canada's second highest peak , is shared with the US state of Alaska ) . 
<triplet> Mount Lucania <subj> mountain <obj> instance of <subj> Canada <obj> country <triplet> Mount Saint Elias <subj> mountain <obj> instance of <subj> Canada <obj> country