Utilize the input text as a context reference, choose the right relationship between 'Durex' and 'London' from the options.
Options: headquarters location, developer, chief executive officer, parent organization

This week's bubbly trading update reinforced this view, and allowed it to continue the 12% share price gain enjoyed during the past four weeks -- the London firm saw like-for-like sales advance 5% during January-June, with product rollouts like its Scholl Express Pedi and Durex Real Feel helping to drive shopper interest.
headquarters location