How can authors you understand whether you are looking at a comparison or a contrast?

they will state it in a heading
they will use footnotes
they may use signal words
they will provide a key

this is the sentence that best shows that fast food restaurants are designed for using unskilled labor. 

judge is the correct answer

what were the pronouns? did it use i, me, and my? if so, it was first person. if it had pronouns like you and your it was second person point of view. if it used he, she, and they, it was 3rd person point of view.