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 legalize cannabis<sep>Argument: Cannabis is seen as a gateway to other more harmful drugs and shown to have harmful effects to mental health and should, therefore, be banned.<sep>Keypoint: Cannabis is a gateway-drug/addictive
True