What is the relationship between 'Merkel' and 'Germany' in the context of the input sentence.
Options: founded by, product/material produced, headquarters location, stock exchange

Historical comparisons were also made at the summit in Brussels that agreed the deal, with Merkel asked whether the tough conditions were not similar to the 1919 Versailles treaty that forced crushing reparations on Germany after World War One, with disastrous consequences.
headquarters location