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

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.
industry