Refer to the input text as context and select the correct relationship between 'resume' and 'private' from the available options.
Options: currency, industry, owned by, stock exchange

Riyadh's July decision to resume issuing sovereign bonds for the first time since 2007 could extend that time frame, perhaps reducing reserve depletion by some $50 billion a year, depending on which private sector funds were used to buy the bonds.
owned by