With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Berlin's significant industries include biomedical engineering.
text_B: Pottsville High School is a secondary school located in Pottsville , Arkansas , United States .. Pottsville. Pottsville, Arkansas. Arkansas. Arkansas. United States. Secondary education in the United States. The school was completed in 1998 and is administered by the Pottsville School District No. 61 .. Pottsville. Pottsville, Arkansas. Pottsville School District. Pottsville School District. Pottsville School District No. 61. Pottsville Schools. The school serves more than 300 students in grades 10 through 12 .
not_related.