Problem: What large hospitality chain owns and operates the mid-priced Courtyard hotel chain?
Answer: marriott

Problem: Which American writer and cartoonist was responsible for The Cat In The Hat series?
Answer: dr seuss

Problem: What is the name of a construction toy made of interlocking plastic blocks?
Answer: lego

Problem: Based in Washington DCs Eccles Building, what is the American equivalent of the Bank of England in the UK?
Answer:
system