I created explanations for the first LR section of PT 89. I also included cookie cutter take aways for each question. Hopefully this is helpful to some! Let me know if you have questions or alternative ways of reasoning; I would love to hear them!

Here is the link: https://drive.google.com/file/d/1NEb2hPezf10STZByj0fHHeWwuCGNFEQ5/view?usp=sharing

Enjoy :)