Problem: Which European country's flag consists of horizontal halves of blue over red with a gold crown in the upper hoist?
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A: liechtenstein

Q: In which city is Wawel Castle?
A: krakow

Problem: What is the name of the main German stock market index?
Answer: dax

Q: Prickly pear and saguaro are types of what?
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A: cactus

Q: Who is smarter than the average bear?
What is the answer?

A: yogi bear

Mei Li:
With the album cover being a parody of the Beatles Sgt. Pepper's Lonely Hearts Club Band, 1998s The Yellow Album is the second album of original songs from what long running TV series??
Shuai Zheng:
simpsons