With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Green Day won an award for Record of the month.
text_B: The Swallowtail Lighthouse is a Canadian lighthouse located on Grand Manan Island in the Bay of Fundy .. Grand Manan Island. Grand Manan. Bay of Fundy. Bay of Fundy. It was the first lighthouse to be built on the island .. It was first lit on 7 July 1860 and was automated and de-staffed in 1986 .
not_related.