With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: New York's most populous county is New York City.
text_B: Escallonia angustifolia is an evergreen shrub or treelet in the Escalloniaceae family , native to Argentina , Chile and southern Peru .. Escalloniaceae. Escalloniaceae. Escallonia. Escallonia. It occurs at elevations between 1500 - above sea level .
not_related.