Refer to the input text as context and select the correct relationship between 'METLIFE' and 'Insurance' from the available options.
Options: member of, distributed by, publisher, product/material produced

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