Rewrite the sentence so that it uses a coordinating conjunction to indicate contrast. Brutus, who claims to be an honorable man, stabbed Caesar. Add a comment to explain how the use of a coordinating conjunction affects the tone of the sentence.

Coordinating conjunctions bring two clauses (subject + verb + object) together. When joining two ideas, the comma is used.

Brutus claims to be an honorable man, but he stabbed Caesar.

Contrast conjunctions introduce a contradiction with what is said before (Brutus is honorable or honest, but he is a killer).