Detailed Instructions: Given a sentence and two mentions from the text (arguments), indicate a phrase (a verb or noun phrase) that describes the relationship between the provided arguments.
Q: Sentence: 'In 1923 Bregenz became the capital of Vorarlberg and in 1945 it suffered severe damage by the French troops , when around 72 houses were destroyed .', Argument/Subject 1: 'bregenz', Argument/Subject 2: 'vorarlberg'
A:
be capital of