[Q]: 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 numerous studies of African hunter-gatherer groups.
[A]: It's impossible to say

[Q]: After trial, Family Court found defendant guilty of willfully violating the order of protection and sentenced him to six months incarceration. The defendant like to eat cheese.
[A]: It's impossible to say

[Q]: UFC 116: Lesnar vs. Carwin was a mixed martial arts event held by the Ultimate Fighting Championship on July 3, 2010 at the MGM Grand Garden Arena in Las Vegas, Nevada. The show was voted as the Best Major Show in the 2010 Wrestling Observer Newsletter Awards, the first time a UFC show won the award. This was the third-best selling pay-per-view in UFC history behind UFC 194. UFC 116 was nominated for best major show in 2010 Wrestling Observer Newsletter Awards
[A]: Yes

[Q]: Have you always coveted Kate Moss’ devil-may-care, rock star hair? Hell, I know I have. Well, the going just got a little easier, folks. News has it that James Brown, Moss’ long-time hair stylist and friend, has just launched a brand new, on-the-cheap line of hair products sold at boots.com. Starting at £5.99 per product, which equals out to about ten bucks, this may just be the best drugstore news I’ve heard in months. So get thee onto the site asap to bring some of that Moss magic into your life. Boot.com sells the hair products.
[A]:
Yes