ple, so they must all have the same age (since we are assuming that, in any group of k people, everyone has the same age).Consider everybody in G except Q. Again, they form a group of k people, so they must all have the same age.Let R be someone else in G other than P or Q.Since Q and R each belong to the group considered in step 7, they are the same age.Since P and R each belong to the group cons