[Q]: Phase contrast magnetic resonance imaging (PC-MRI) is a specific type of magnetic resonance imaging used primarily to determine flow velocities. PC-MRI can be considered a method of Magnetic Resonance Velocimetry. Since modern PC-MRI is typically time-resolved, it can also be referred to as 4D imaging (three spatial dimensions plus time). The difference between 3D and 4D boils down to 4D having the added element of time. OPTIONS:
- Yes
- It's impossible to say
- No
[A]: Yes

[Q]: Operation Paperclip was a secret program of the Joint Intelligence Objectives Agency (JIOA) in which more than 1,600 German scientists, engineers, and technicians, such as Wernher von Braun and his V-2 rocket team, were recruited in post-Nazi Germany and taken to the U.S. for government employment, at the end of World War II; many were members and some were leaders of the Nazi Party. Most of those Scientists lived in Germany during World War 1 OPTIONS:
- Yes
- It's impossible to say
- No
[A]: It's impossible to say

[Q]: Enterprise Rent-A-Car is an American car rental company headquartered in Clayton, Missouri, United States in Greater St. Louis. In addition to car rental, Enterprise also oversees commercial fleet management, used car sales, and commercial truck rental operations. Enterprise has headquarters for other regions in the world. OPTIONS:
- Yes
- It's impossible to say
- No
[A]: It's impossible to say

[Q]: The 2009 KNVB Cup Final was a football match between Heerenveen and FC Twente on 17 May 2009 at De Kuip, Rotterdam. It was the final match of the 200809 KNVB Cup competition. Heerenveen beat FC Twente on penalties after the match finished 22 after extra time. It was the side's first KNVB Cup trophy. The 2009 KNVB Cup Final was a football match between Heerenveen and FC Twente, the first game they played against each other in the KNVB Cup trophy. But they played each other during the regular season. OPTIONS:
- Yes
- It's impossible to say
- No
[A]:
It's impossible to say