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: 'Chairman of the NASDAQ stock exchange , Bernard L. Madoff was charged with committing what may prove to be the largest fraud scheme in history .', Argument/Subject 1: 'madoff', Argument/Subject 2: 'nasdaq'
Student:
be chairman of