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.

Sentence: 'FALL SHIPPING begins in August and goes through the end of October , depending on the weather .', Argument/Subject 1: 'fall', Argument/Subject 2: 'august'
begin in

Sentence: 'I am writing this on the day before Barak Obama is inaugurated as President of the United States of America .', Argument/Subject 1: 'obama', Argument/Subject 2: 'unite state of america'
be president of

Sentence: 'The Council elects its President , who convokes and chairs the works of the Council , and two vice-Presidents .', Argument/Subject 1: 'council', Argument/Subject 2: 'president'

be chair by