The tasks are designed to test their teamwork abilities and community spirit. In the first Turkish series , there is a fake eviction in week Housemates are voted out usually on a weekly basis until only one remains and wins the cash prize. They had joint chairs, beds, spoons, and even mugs. Australia in , Germany in —06 , Bulgaria in , and VIP , United Kingdom in , Celebrity , Celebrity , , , and Celebrity , France in , , , and , Spain in and , Poland in , India in , Africa in , Balkan Region in and , Philippines in , Teen and , Portugal in and , Israel in , Ukraine in , Argentina in and and Albania in Rachel Reilly also appeared on Big Brother Canada's side show, which airs after the eviction episode. A dividing wall from the ninth season was reused in the fourteenth Brazilian season , when mothers and aunts of the housemates entered for International Women's Day and stayed in the house for 6 days, though they could not be seen by the housemates. In , the US version adopted a different format during its second season, where the contestants are encouraged to strategize to advance in the game; in this format the contestants themselves vote to evict each other. Some versions of Big Brother have secret tasks presented by another character who lives in plain sight of the housemate. In the earlier series of Big Brother, there were 10 contestants with evictions every two weeks. The House Next Door was also used in other occasions to accommodate contestants from the main house for limited periods of time, especially to have more privacy which of course could be seen by the public. In , the sixth Philippine season , also had two winners; one from the teens and one from the regular adults. Later that year, the eighth Australian series introduced the Housemate Hand Grenade, where an evicted housemate decided which remaining housemate received a penalty. English-language editions of the program are often referred to as "BB". In the thirteenth Brazilian series , Anamara Barreira was fake-evicted.