The five FDIC-insured Puerto Rico banks - Banco Popular de Puerto Rico, Banco Santander Puerto Rico, FirstBank Puerto Rico, Oriental Bank and Scotiabank de Puerto Rico - had $442 million exposure to Puerto Rico government securities in September 2013.
Take context from the input text and decide on the accurate relationship between 'Scotiabank' and 'Bank' from the options provided.
Options: owner of, position held, subsidiary, industry