Utilize the input text as a context reference, choose the right relationship between 'METLIFE' and 'Insurance' from the options.
Options: member of, distributed by, product/material produced, publisher

Compared to other companies in the Insurance industry and the overall market on the basis of return on equity, METLIFE INC has outperformed in comparison with the industry average, but has underperformed when compared to that of the S&P 500.
product/material produced