I thought solely made the answer too strong on my initial read.

same question here, i don't understand where they got unless

any explanations for #2? struggling big time

I believe it's referring to the lesson on arguments and the foundations of arguments in the beginning of the syllabus.

i.e. premise, conclusion, assumptions, and support

#help

For those who are struggling with referential practice/concepts, what are some ways that you were able to practice the concept to help your understanding?