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: 'But even though it 's the poorest country in South America , Bolivia is surprisingly self-sufficient with ample supplies of oil , natural gas and other natural resources .', Argument/Subject 1: 'bolivium', Argument/Subject 2: 'south america'
be country in

Sentence: 'Your first Rap Point will be posted on Monday 7 August , 2000 .', Argument/Subject 1: 'first', Argument/Subject 2: 'august'
post in

Sentence: 'The United States dropped nuclear bombs on Hiroshima and Nagasaki on Aug. 15 , 1945 .', Argument/Subject 1: 'unite state', Argument/Subject 2: 'hiroshima'

drop bomb on