First go to the house near the tavern,Talk to the man and answer his question. Question : How many zeros are there in a billion? Answer : 9 Question : What color are the five Olympic Rings? Answer : Red Black Blue Yellow Green Question : What vegetable is the Welsh National Emblem?? Answer : Leek Question: Which kind of animal has the most broad vision Answer : Fish Question: What is used for breathing by prawns??? Answer : Branchia Question : What is the longest river in the world? Answer : Nile