With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ireland was less populous than another island in 2011.
text_B: Alnus incana -LRB- grey alder or speckled alder -RRB- is a species of alder with a wide range across the cooler parts of the Northern Hemisphere .. Alnus. Alnus. alder. alder. Northern Hemisphere. Northern Hemisphere
not_related.