She instructed them to try to identify areas of agreement and disagreement as they work toward a decision.

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So you really have to focus -- I mean, this will be a very clarifying process, because, in some ways as we led up to this compromise, there was some understandable confusion about what deficit reduction could be achieved and where was there agreement and disagreement.

WHITEHOUSE: Press Briefing

And when we meet with the Chinese at the level of the President and below, we engage with them on all of the issues that are part of our relationship, and that includes areas of disagreement as well as areas of cooperation and agreement.

WHITEHOUSE: Press Briefing

There are areas of agreement, there are areas of disagreement, and that conversation is ongoing.

WHITEHOUSE: Press Briefing

And like Facebook, users can comment and have ongoing conversations about their agreement, disagreement, or progress with the experiences offered.

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All questions, apart from those about frequency of sex, were answered on a five-point scale, with one indicating strong disagreement and five indicating strong agreement.

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Typically, someone who is in agreement with you will smile and nod as you speak. (Disagreement shows up in compressed or pursed lips, clenched jaw muscles, or a head turned slightly away, so eye contact becomes sidelong.) But smiles are often used as a polite response and to cover up other emotions.

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And I think that different positions will be presented as we look at the areas where there is agreement, the areas where agreement is relatively close to being within reach, and areas where there is significant disagreement that there needs to be negotiation about.

WHITEHOUSE: Press Briefings

"The mark of a strong relationship is to be able to work together to find the areas of agreement, to accept the areas of disagreement, to put them all in the proper perspective and then to move on, " he said.

BBC: NEWS | Europe | Disagreement on Italy agent death