With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Brunei is on the island of Borneo in the Sea of Japan.
text_B: Classificatory kinship systems , as defined by Lewis Henry Morgan , put people into society-wide kinship classes on the basis of abstract relationship rules .. Lewis Henry Morgan. Lewis Henry Morgan. kinship. kinship. These may have to do with genealogical relations locally -LRB- e.g. , son to father , daughter to mother , daughter to father -RRB- but the classes bear no overall relation to genetic closeness .. genealogical. genealogy. If a total stranger marries into the society , for example , they may simply be placed in the appropriate class opposite to their spouse .. It uses kinship terms that merge or equate relatives who are genealogically distinct from one another .. kinship. kinship. Here , the same term is used for different kin .. The Dravidian kinship-term system , discovered in 1964 , is an example of a classificatory kin-term logic .. kinship. kinship. Dravidian kinship-term. Kinship terminology. Category  : Anthropology. Category  : Kinship terminology
not_related.