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: 'It is about the translocation of orangutans from their rehabilitation center to their sanctuary on Borneo island in Indonesia .', Argument/Subject 1: 'borneo', Argument/Subject 2: 'indonesium'
be island in

Sentence: 'Thank you President elect Obama for inviting Rick Warren to your inauguration .', Argument/Subject 1: 'president', Argument/Subject 2: 'obama'
elect

Sentence: 'It was January 20th , 2009 the same day Barak Obama , the very first black president of the United States of America was inaugurated .', Argument/Subject 1: 'barak obama', Argument/Subject 2: 'unite state of america'

be president of