With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Event management includes decor.
text_B: Vladimir Bystrov -LRB- August 7 , 1935 -- June 1 , 2010 -RRB- was a Czech journalist , film critic , commentator and translator .. Czech. Czechs. commentator. Pundit ( expert ). translator. translator
not_related.