Given the task definition and input, reply with output. The input contains a debate topic, an argument on the topic and a keypoint, separated by "<sep>". Your task is to answer if the keypoint matches the argument and summarizes exactly what the argument means, in the context of the given topic.

Topic: We should prohibit flag burning<sep>Argument: Flag burning is a use of free speech which we should never prohibit.<sep>Keypoint: Flag burning is justified due to freedom of expression
True