With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Facebook is an Internet-based social media utility.
text_B: Prilep is a village in the municipality of Dobrichka , in Dobrich Province , in northeastern Bulgaria .. Province. Provinces of Bulgaria. Dobrich Province. Dobrich Province. Dobrichka. Dobrichka. Bulgaria. Bulgaria
not_related.