With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sarah Silverman was a writer for a sketch comedy show.
text_B: The P5 +1 refers to the UN Security Council 's five permanent members -LRB- the P5 -RRB- ; namely China , France , Russia , the United Kingdom , and the United States ; plus Germany .. UN Security Council. UN Security Council. five permanent members. Permanent members of the United Nations Security Council. The P5 +1 is often referred to as the E3 +3 by European countries .. It is a group of six world powers which , in 2006 , joined together in diplomatic efforts with Iran with regard to its nuclear program .. world powers. great power. its nuclear program. Nuclear program of Iran
not_related.