Q: The so-called "grandmother hypothesis" originated in the 1950s.
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.
A: It's impossible to say
Q: Corfu is an island.
A former police officer is in custody after police say he shot and killed his 55-year-old wife during an argument at their home on the Ionian island of Corfu. The incident occurred shortly after 8 a.m. Friday in the area of Lefkimmi, on the island's southeastern coast. The shooter, believed to be around 60 years old, turned himself in to the local police station after the incident.
A: Yes
Q: The concept of roman numerals is simple for everyone.
How to use roman numerals<br>Understand the concept of roman numerals. Roman numerals use fewer symbols than the number system you are used to. I is the number 1 (one), v is 5 (five), and x is 10 (ten), for example.
A: It's impossible to say
Q: Mack Sennett worked in Hollywood.
The Extra Girl (1923) is a story of a small-town girl, Sue Graham (played by Mabel Normand) who comes to Hollywood to be in the pictures. This Mabel Normand vehicle, produced by Mack Sennett, followed earlier films about the film industry and also paved the way for later films about Hollywood, such as King Vidors Show People (1928).
A:
It's impossible to say