With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Kangana Ranaut trained under a theatre director.
text_B: The Morris Arboretum of the University of Pennsylvania -LRB- 37 ha  /  92 acres -RRB- is the official arboretum of the Commonwealth of Pennsylvania .. arboretum. arboretum. Pennsylvania. Pennsylvania. It is located at 100 East Northwestern Avenue , Chestnut Hill , Philadelphia , Pennsylvania .. Philadelphia. Philadelphia, Pennsylvania. Pennsylvania. Pennsylvania. The arboretum is open daily except major holidays ; an admission fee is charged .. arboretum. arboretum
not_related.