<span>The reason Stuart was called "Fats" was that he was skinny.</span>
the sentence that is being used in both excerpt are logos. The use of the logos appeal here is to give a reason to support and explain her purpose
Both use an appeal to logos by providing a reason to support her purpose.
Mnemonics becuase people can get them confused a lot
I think the answer is "each other" for all of them?