SAO PAULO Aug 4 Itaú Unibanco Holding SA, Brazil's largest bank by market value, beat profit estimates in the second quarter on Tuesday as interest and fee income rose surprisingly jumped in spite of a slumping economy.
Refer to the input text as context and select the correct relationship between 'Unibanco' and 'bank' from the available options.
Options: headquarters location, product/material produced, member of, owner of