With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bohemian Rhapsody sold in bulk.
text_B: Tressa May was a steamboat that was operated in the Yaquina Bay region of Oregon from 1883 to 1888 .. steamboat. steamboat. Yaquina Bay. Yaquina Bay
not_related.