With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Calling All the Monsters was the fourth single on an album.
text_B: Grindstone Cascade is a complex curtain cascade waterfall found Waterdown , Hamilton , Ontario , Canada .. waterfall. waterfall. Waterdown. Waterdown, Ontario. Canada. Canada. Nearby attractions include Bruce Trail , Rock Chapel Golf Course , Royal Botanical Gardens and the town of Waterdown .. Waterdown. Waterdown, Ontario. Bruce Trail. Bruce Trail. Royal Botanical Gardens. Royal Botanical Gardens ( Ontario )
not_related.