What's the largest land mammal on Earth?

Question 1: Which famous playwright wrote the tragic play "Hamlet"?
Question 2: What is the largest land mammal on Earth?
Question 3: In the world of finance, what does the acronym "NYSE" stand for? Question 4: Which country gifted the Statue of Liberty to the United States? Question 5: In the popular TV series "The Office," what is the name of the fictional paper company where the characters work?