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.

[EX Q]: Sentence: 'Paper presented at a symposium at the International Conference for Infant Studies , Chicago , IL.', Argument/Subject 1: 'paper', Argument/Subject 2: 'conference'
[EX A]: present to

[EX Q]: Sentence: '" Cape Town has undoubtedly the safest central city in South Africa , " said Boraine .', Argument/Subject 1: 'cape town', Argument/Subject 2: 'south africa'
[EX A]: be city of

[EX Q]: Sentence: 'FARM-Africa works in Ethiopia , Kenya , Tanzania , Uganda and Southern Sudan .', Argument/Subject 1: 'farm-africa', Argument/Subject 2: 'ethiopium'
[EX A]:
work in