system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Which of the following are not real seasons of Survivor (specifically, the US version)?
- Borneo
- Champions vs Contenders
- Champions vs Contenders II
- Micronesia
- U.S.
- Hawaii
- China
- All Stars
- 44
- Heroes vs. Healers vs. Hustlers
- Celebrity
- Ghost Island
- Blood vs Water
- Washington


assistant
Champions vs Contenders, Champions vs Contenders II, US, Hawaii, Celebrity, and Washington are not seasons of the the U.S. versions of Survivor.

Champions vs Contenders and Champions vs Contenders II are however seasons of the Australian version of the show.