The so-called "grandmother hypothesis", based on studies of African hunter-gatherer groups, suggests that infertile women are vital for successful child-rearing despite being unable to produce children themselves.
The "grandmother hypothesis" is based on nomadic groups OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say

Bunker started XenuTV in 1999 and began to make videos that he provided for the Lisa McPherson Trust. Bunker has been a critic of the Church of Scientology since 1997. In 2006, he won a Regional Emmy Award after he and KUSI-TV news reporter Lena Lewis produced a documentary news video on the issues with the United States - Mexico border with San Diego, California.
The Church of Scientology prefers linux to microsoft windows. OPTIONS:
- Yes
- It's impossible to say
- No
A: It's impossible to say

We would assume that when we are dealing with Bill C-66, an act that deals with housing in Canada, there would be some reference or some indication that the government is actually going to do something about the homeless situation, but in fact the answer is that it is doing absolutely nothing.
Homelessness is not an issue in Canada. OPTIONS:
- Yes
- It's impossible to say
- No
A: