With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ethan Hawke has starred in films that got critical acclaim.
text_B: Tara Hills is a census-designated place -LRB- CDP -RRB- in Contra Costa County , California , United States .. Contra Costa County. Contra Costa County, California. California. California. County. List of counties in California. Contra Costa. Contra Costa County, California. census-designated place. census-designated place. United States. United States. The population was 5,126 at the 2010 census .
not_related.