With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: O. J. Simpson was only famous for his football career.
text_B: Genista pilosa , commonly known as hairy greenweed , silkyleaf brooom , silkyleaf woadwaxen and creeping broom , is a plant species in the genus Genista .. Genista. Genista. It is 30 - tall and has green coloured stems .. It has yellowish coloured flowers which grow in 1-3 pairs .
not_related.