With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Shining debuted in 1980.
text_B: Pine Trail Estates is an unincorporated community in Smith County , located in the U.S. state of Texas .. Texas. Texas. County. List of counties in Texas. Smith. Smith County, Texas. unincorporated community. unincorporated community. Smith County. Smith County, Texas. U.S. state. U.S. state
not_related.