premise: For the occasion on which everyone already knows everyone else and the <mask> wishes them to meet one or a few honored newcomers , then the `` open house '' system is advantageous because the honored guests are fixed connective points and the drifting guests make and break connections at the door .
hypothesis: the proper context for <mask> here should be a person who invites guests to a social event (such as a party in his or her own home) and who is responsible for them while they are there