With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Marshall McLuhan was a figure who caused much controversy.
text_B: Groom High School is a public high school located in the city of Groom in Carson County , Texas -LRB- USA -RRB- .. high school. High school#United States. Groom. Groom, Texas. Texas. Texas. public high school. public high school. Carson County. Carson County, Texas. USA. United States. It is classified as a 1A school by the UIL .. UIL. University Interscholastic League. It is a part of the Groom Independent School District located in extreme southeastern Carson County .. Groom Independent School District. Groom Independent School District. Groom. Groom, Texas. Carson County. Carson County, Texas. In 2015 , the school was rated `` Met Standard '' by the Texas Education Agency .. Texas. Texas. Met Standard. Texas Education Agency accountability ratings system. Texas Education Agency. Texas Education Agency
not_related.