#business_relation  a relation between different business enterprises
  supertype:  relation  an abstraction belonging to or characteristic of two entities or parts together
  member:  customer
  subtype:  competition  a business relation in which two parties compete to gain customers; "business competition can be fiendish at times"
     subtype:  price_war__pricewar__price_competition__pricecompetition  intense competition in which competitors cut retail prices to gain business
  subtype:  clientage  relation of a client to a patron

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