b) The young nobleman in the enamelled armour. He was the one who spoke up first as a self-nominated candidate. It shows confidence.
c) The young nobleman who spoke up second in the plain armour. His armour looks more practical than the other guy, and he's broader in general.
It's not life or death, but fifty gold can buy you several spectacular horses, or three very large houses, or a whole lot of food. Vote! Share! Good luck!