Which one of the following, if substituted for the restriction that if music is taken, then neither physics nor theat...

Thank you for the vfideo, I just wanted a bit more clarification. For question 23, rom what I got in the video, it is basically just asking to find the covert statement of an inference we made using the rules? Technically we didn't have to change anything. We just needed to find what the original substitution was stating before the restriction, am I on the right path?