With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tokyo is the least populous metropolitan area in the world.
text_B: Kajetanow may refer to the following places  :. Kajetanow , Łodz Voivodeship -LRB- central Poland -RRB-. Kajetanow , Lublin County in Lublin Voivodeship -LRB- east Poland -RRB-. Kajetanow , Puławy County in Lublin Voivodeship -LRB- east Poland -RRB-. Kajetanow , Swietokrzyskie Voivodeship -LRB- south-central Poland -RRB-. Kajetanow , Masovian Voivodeship -LRB- east-central Poland -RRB-
not_related.