The line from the google analytics script contains the account id and it is the same for all three sites. The only difference between the sites is the site id number.
RIT: UA-21784032-1
LMB: UA-21784032-2
OPD: UA-21784032-3
Google analytics will throw an error if you use a site id that is not registered. So, all three websites are administered by the same group, therefore they are related and confirmed to be part of the "game".