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: 'You and your right wing friends can not defend any Republican without saying a Democrat did something worse then the Republican and that is all you have to say .', Argument/Subject 1: 'republican', Argument/Subject 2: 'democrat'
be say to

Sentence: 'Paper presented to an International Conference on Street Children and Street Children 's Health in East Africa , in Dar-es-Salaam , Tanzania , April 19th - 21st April 2000 .', Argument/Subject 1: 'paper', Argument/Subject 2: 'international'
present at

Sentence: 'The course prepares students for a year abroad or an English taught Master or Research Master .', Argument/Subject 1: 'master', Argument/Subject 2: 'english'

be teach in