The answer is 2 he is a problem slover and part be is
"It was rather splendid to be wearing a blade made in Gondolin for the goblin-wars of which so many songs had sung; and also he had noticed that such weapons made a great impression on goblins that came upon them suddenly. 'Go back?' he thought. 'No good at all! Go sideways? Impossible! Go forward? Only thing to do! On we go!' So up he got, and trotted along with his little sword held in front of him and one hand feeling the wall, and his heart all of a patter and a pitter."
"'Half a moment!' cried Bilbo, who was still thinking uncomfortably about eating. Fortunately he had once heard something rather like this before, and getting his wits back he thought of the answer. 'Wind, wind of course,' he said, and he was so pleased that he made up one on the spot. 'This’ll puzzle the nasty little underground creature,' he thought: An eye in a blue face Saw an eye in a green face. 'That eye is like to this eye' Said the first eye, 'But in low place Not in high place.'"