premise: The Brat Pack is only a nickname given to a group of old actors.
hypothesis: The Brat Pack is a nickname given to a group of young actors who frequently appeared together in teen-oriented coming-of-age films in the 1980s . `` Brit Pack '' is a term that has been used to refer to specific groups of young British actors who have achieved success in Hollywood , as well as more generally to the entire group of such actors .