With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Iris Murdoch refused to engage in philosophy.
text_B: Springfield is the third-largest city in the state of Missouri and the county seat of Greene County .. Missouri. Missouri. Greene. Greene County, Missouri. state. U.S. state. county seat. county seat. Greene County. Greene County, Missouri. As of the 2010 census , its population was 159,498 .. 2010 United States Census. As of 2016 , the Census Bureau estimated its population at 167,319 .. It is one of the two principal cities of the Springfield-Branson Metropolitan Area , which has a population of 541,991 and includes the counties of Christian , Dallas , Greene , Polk , Webster , Stone and Taney .. Greene. Greene County, Missouri. Christian. Christian County, Missouri. Springfield-Branson Metropolitan Area. Springfield-Branson, Missouri metropolitan area. Dallas. Dallas County, Missouri. Polk. Polk County, Missouri. Webster. Webster County, Missouri. Stone. Stone County, Missouri. Taney. Taney County, Missouri. Springfield 's nickname is `` Queen City of the Ozarks '' and it is known as the `` Birthplace of Route 66 '' .. City. City. Route 66. U.S. Route 66. Ozarks. Ozarks. It is also home to several universities , including Missouri State University , Drury University , and Evangel University .. Missouri. Missouri. State. Political divisions of the United States. Missouri State University. Missouri State University. Drury University. Drury University. Evangel University. Evangel University
not_related.