Take context from the input text and decide on the accurate relationship between 'METLIFE' and 'Insurance industry' from the options provided.
Options: industry, member of, product/material produced, 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