Refer to the input text as context and select the correct relationship between 'United Internet' and 'Internet service provider' from the available options.
Options: director/manager, brand, product/material produced, industry

The top riser on the FTSEurofirst 300 was United Internet AG , which climbed 7.2 percent after the German Internet service provider said it may float its business offering web-hosting and other online services to corporate customers.
industry