Refer to the input text as context and select the correct relationship between 'CommonBond' and 'student loan' from the available options.
Options: operator, owner of, distributed by, product/material produced

Enter student loan refinancing companies, such as SoFi and CommonBond , which hope to lower your interest rate by re-financing and/or consolidating your loans, and aggregators such as Credible, which powers NerdWallet’s engine by providing users a simple search engine interface for finding such a re-financing provider.
product/material produced