With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Natalie Wood is Canadian.
text_B: Lennox Lewis vs. Hasim Rahman , billed as `` Thunder in Africa '' , was a professional boxing match contested on April 22 , 2001 for the WBC , IBF , IBO and Lineal Heavyweight Championships .. WBC. World Boxing Council. IBF. International Boxing Federation. IBO. International Boxing Organization. Lennox Lewis. Lennox Lewis. Hasim Rahman. Hasim Rahman
not_related.