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: 'Chittagong is the second-largest city in Bangladesh and is a major port .', Argument/Subject 1: 'chittagong', Argument/Subject 2: 'bangladesh'
be city in

Sentence: 'Rev. Adolfo Nicolas is the 29th successor to St . Ignatius Loyola , who founded the Society of Jesus , as the order is formally known , in 1540 .', Argument/Subject 1: 'loyolum', Argument/Subject 2: 'jesus'
found society of

Sentence: 'In 1961 , after the death of Joint Board President Sam Burt , Foner was elected president of the union and served in that capacity until his retirement in 1988 .', Argument/Subject 1: 'board', Argument/Subject 2: 'president'

elect