A: What is the longest river in the world?
B: I think it's the Amazon River.
A: What is the highest mountain in the world?
B: I think it's Mt. Everest.
A: Where is the coldest place on Earth?
B: I think it's the South Pole.
A: Which planet is the biggest in the solar system?
B: I think it's Jupiter.
A: Where is the hottest desert on Earth?
B: I think it's the Sahara Desert.
A: Which animal is the largest in the world?
B: I think it's the blue whale.
A: Which country is the happiest in the world?
B: I think it's Finland.
A: Who is the tallest person in the world?
B: I think it's Sultan Kösen.
A: Which animal is the fastest in the world?
B: I think it's the Peregrine.
A: Which country is the smallest in the world?
B: I think it's Vatican City.
A: Who is the oldest person in the world?
B: I think it's Sister Andre.
A: Who is the smartest student in the class?
B: I think it's Jihoon.
A: Who is the smartest student in the class?
B: I think it's Jihoon.
A: Who is the oldest person in the world?
B: I think it's Sister Andre.
A: Which country is the smallest in the world?
B: I think it's Vatican City.
A: Which animal is the fastest in the world?
B: I think it's the Peregrine.
