Another way to express this result is as follows : at any party with at least six people , there are three people who are all either mutual acquaintances ( each one knows the other two ) or mutual strangers ( each one does not know either of the other two ) .
Another way to express this result is as follows : at any party with at least six people , there are three people who are either ( a ) mutual acquaintances ( each one knows the other two ) or ( b ) mutual strangers ( each one does not know either of the other two ) .