Problem: What was Barack Obama's father's first name?
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A: barack

Q: If something is biannual how often does it occur?
A: twice year

Problem: How many letters are used to make Roman numerals?
Answer: seven

Q: If something is simian, what type of animal does it resemble?
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A: ape

Q: After Mao Zedong's death his wife, together with others of the Gang of Four, was put on trial and sentenced to death; when did she die?
What is the answer?

A: 1991

Problem: 19th century surgeon Dr Joseph Bell was the inspiration for which literary character?
Answer:
sherlock holmes