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.
What is the relationship between 'CommonBond' and 'student loan' in the context of the input sentence.
Options: employer, product/material produced, location of formation, manufacturer