Mr. Macartney has served as the Head of Social at Saxo Bank since August 2014, having worked in its Copenhagen branch – over the past year he has helped develop Saxo’s online brand, whilst helping manage its TradingFloor platform.
Analyze the relationship between 'Saxo Bank' and 'Copenhagen' within the context of the input sentence.
Options: business division, owned by, location of formation, product/material produced