With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Randy Orton is a person.
text_B: Grahø is a mountain in the municipality of Lesja in Oppland , in southern Norway .. Lesja. Lesja. Oppland. Oppland. Norway. Norway. Category  : Mountains of Oppland. Oppland. Oppland
not_related.