With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Earth is the most populated planet.
text_B: George Bagby -LRB- born May 5 , 1937 -RRB- is a Democratic member of the Wyoming House of Representatives , representing the 15th district since 2003 .. Democratic. Democratic Party ( United States ). Wyoming House of Representatives. Wyoming House of Representatives
not_related.