Problem: Which musical instrument does Kermit the Frog play?
Answer: banjo

Problem: To which family of birds does the brambling belong?
Answer: finches

Problem: "Named for Polish-Lithuanian-American book dealer, what 15th century book whose script, language and illustrations continue to baffle experts has been called ""the world's most mysterious manuscript""?"
Answer: voynich manuscript

Problem: Who was burned at the stake, age 19, in Rouen in 1431?
Answer:
joan of arc