Problem: Lipshen is the name of the cat in which Roald Dahl book?
Answer: witches

Problem: Andre Geim and Konstantin Novoselov from Manchester University won which Nobel Prize in 2010?
Answer: physics

Problem: What was the first name of the English Prime Ministers known as Pitt the Elder and Pitt the Younger?
Answer: william

Problem: What provides the staple diet of a koala?
Answer:
eucalyptus tree