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: 'The invasion did not receive the support of the British government , who were put out by the fact that the United States had neglected to inform them of their intentions , despite the fact that the Queen Elizabeth II was the head of state and the nominal " Queen of Grenada" .', Argument/Subject 1: 'queen elizabeth ius', Argument/Subject 2: 'state'
A:
be head of