[Q]: Norway marks anniversary of massacre
Norway Marks Anniversary of Breivik's Massacre

[A]: 4

[Q]: Doctors have speculated that the body's own estrogen protects against cell damage and improves blood flow.
Their belief was based on speculation that estrogen prevents cell damage and improves blood flow.

[A]: 4

[Q]: A man is rinsing a steak.
A man is playing a guitar.

[A]:
1