Morgan Stanley, Citigroup Inc. and Goldman Sachs Group Inc. aren’t issuing new shares of their ETNs, which count as short-term debt because holders can typically redeem them on about a week’s notice, according to “living wills” submitted to the Federal Deposit Insurance Corp. and the Federal Reserve last month, details of which were released Monday.
Analyze the relationship between 'Citigroup' and 'Insurance' within the context of the input sentence.
Options: product/material produced, stock exchange, founded by, platform