sentences:  Various cast members have also earned livings as public speakers, since Bunim-Murray Productions funded their training in motivational speaking by the Points of Light Foundation in 2002, allowing them to earn between $1,500 and $2,000 for an appearance on the college lecture circuit.Each season consists of seven to eight people (in initial seasons ages 18–26 before changing to 21–26 and currently cast for 21–34), usually selected from thousands of applicants from across the country, with the group chosen typically representing different races, sexes, sexual orientations, levels of sexual experiences, and religious and political beliefs.Should a cast member decide to move out, or be asked to do so by all his or her roommates, the roommates will often get a replacement, dependent on how much filming time is left.