With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Christian Bale starred in the sports drama The Fighter.
text_B: Lencho Letta is a prominent Ethiopian politician and Oromo activist who was founding member of Oromo Liberation Front -LRB- OLF -RRB- .. Ethiopian. Ethiopian. Oromo Liberation Front. Oromo Liberation Front. He was the Deputy Secretary General of the Oromo Liberation Front -LRB- OLF -RRB- from 1974 to 1995 .. Oromo Liberation Front. Oromo Liberation Front. In Late 1990s , Lencho left OLF leadership due to ideological differences .. He is currently the leader of Oromo Democratic front , which was formed in 2013 .
not_related.