Which one is informal

wassup people
Hi, what are you doing today?

Which excerpt from rudyard kipling’s the white man’s burden conveys

The first step in making a mental model for a compare-and-contrast text is a. comparing the two things being described. b. finding important details in the text. c. contrasting the two things being described. d. connecting details to what is already known.

It is clearly expressed. what does that mean?