Concept:In drama, the character whose role is to create humour is the clown.Explanation:The clown is the comic figure in a play. His main purpose is to amuse the audience. He creates humour through jokes, foolish actions, and witty remarks. These antics lighten the mood of the stage. The hero is known for brave deeds. The villain brings conflict and tension. The chorus gives background information or commentary. Among these roles, only the clown is linked to laughter and comic relief in drama.Answer:B. clown