With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Isis had a temple at Behbeit El Hagar.
text_B: This is a list of IPv6 tunnel brokers that conform to the principles of RFC 3053 which describes a system with which users can request creation of an IPv6 tunnel on a host called a point of presence -LRB- PoP -RRB- that provides IPv6 connectivity to the user 's network .. IPv6. IPv6. point of presence. point of presence. The columns in the table provide the following details  :
not_related.