With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rebecca Hall played a role.
text_B: Foliocryphia is a monotypic genus of fungi within the family Cryphonectriaceae containing the sole species Foliocryphia eucalypti .. Cryphonectriaceae. Cryphonectriaceae. monotypic. monotype ( biology ). genus. genus. fungi. fungus
not_related.