instruction:
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.
question:
Sentence: 'But Obama supporters can have at least some solace to know that there has been no recent Pennsylvania poll with McCain leading Obama .', Argument/Subject 1: 'mccain', Argument/Subject 2: 'obama'
answer:
lead


question:
Sentence: 'Anteros is the twin brother of Eros .', Argument/Subject 1: 'antero', Argument/Subject 2: 'ero'
answer:
be brother of


question:
Sentence: 'Because one day I can tell my children and grandchildren where I was when Barack Obama was elected President of the United States .', Argument/Subject 1: 'obama', Argument/Subject 2: 'unite state'
answer:

be elect president of