With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: R. Kelly is known for his hit singles.
text_B: Macedonia -LSB- mæsᵻˈdoʊniə -RSB- is a geographical and historical region of the Balkan peninsula in southeastern Europe .. geographical. geographical. historical region of the Balkan peninsula. Historical regions of the Balkan Peninsula. Balkan. Balkan. Balkan peninsula. Balkan peninsula. Its boundaries have changed considerably over time , however it came to be defined as the modern geographical region by the mid 19th century .. geographical. geographical. Nowadays the region is considered to include parts of six Balkan countries  : Greece , the Republic of Macedonia , Bulgaria , Albania , Serbia and Kosovo .. Balkan. Balkan. Greece. Greece. Republic of Macedonia. Republic of Macedonia. Bulgaria. Bulgaria. Albania. Albania. Serbia. Serbia. Kosovo. Republic of Kosovo. It covers approximately 67000 km2 and has a population of 4.76 million .. Its oldest known settlements date back approximately 9,000 years .. From the middle of the 4th century BC , the Kingdom of Macedon became the dominant power on the Balkan peninsula ; since then Macedonia has had a diverse history .. Balkan. Balkan. Kingdom of Macedon. Kingdom of Macedon. Balkan peninsula. Balkan peninsula
not_related.