Companies like [entity display="Lending Club" type="organization" subtype="company" active="true" key="lending-club" natural_id="fred/company/91509"]Lending Club[/entity], SoFi, Earnest and CommonBond are tackling the problems of expensive credit card debt, student loan debt, medical debt and mortgages.
In the context of the input sentence, determine the relationship between 'CommonBond' and 'student loan'.
Options: employer, manufacturer, location of formation, product/material produced