Possible Duplicate:
“Nikki's and Alice's X” vs. “Nikki and Alice's X”
Preferred way to apostrophise in case of dual or multiple ownership by distinct entities
A group of football players and a group of basketball players at college share a house. Is that house
- the football players and basketball players' house
- the football players' and basketball players' house
- something else?
I think the correct answer is the first option, as it seems to be the logical result of applying the individual rules for possession of an item by more than one person and possession of an item or items by groups of individuals, but I would like to be sure.