Allison was then evicted in a unanimous six to zero vote .
On Day 28 , the HouseGuests chose to evict Allison & Ryan , only to learn that the couples would be splitting up and that only Allison or Ryan would leave , not both .
Allison was then evicted in a unanimous six to zero vote .
On Day 28 , the HouseGuests chose to evict Allison & Ryan , only to learn that the couples would be splitting up and that only Allison or Ryan would leave , not both .