With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Marilyn Monroe had a career.
text_B: Orgreave may refer to  :. Orgreave , South Yorkshire , a village and civil parish in England. Orgreave Colliery , a former coal mine -LRB- which also supplied the Orgreave coking works -RRB-. Orgreave Colliery. Orgreave Colliery. Battle of Orgreave , a violent confrontation in 1984 between police and pickets. Battle of Orgreave. Battle of Orgreave. Orgreave , Staffordshire , a hamlet in England
not_related.