Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence: 'Mohamed ElBaradei , head of the International Atomic Energy Agency , has warned of 30 virtual new weapons states on the horizon .', Argument/Subject 1: 'elbaradeus', Argument/Subject 2: 'international atomic energy agency'
Student:
be head of