Utilize the input text as a context reference, choose the right relationship between 'Admiral Group' and 'Cardiff' from the options.
Options: headquarters location, product/material produced, platform, stock exchange

Admiral Group (LSE: ADM.L - news ) topped the risers after it announced expansion plans to take on 280 extra staff: 130 in its Newport (NasdaqGS: NEWP - news ) office, 50 in Cardiff and 100 in Swansea.
headquarters location