Can some help out with this

Which of these phrases is an example of understatement?

(01.15 lc) develop and strengthen writing as needed by planning, revising, editing, rewriting, or trying a new approach, focusing on addressing what is most significant for a specific purpose and audience. rewrite this dull sentence to make it dazzling. sandra walked across the street.

In a subject-by-subject comparison essay, a thesis statement must show how the theme is developed in both works. sum up all of the major points. compare and contrast the theme in both works. clearly explain the essay's topic and viewpoint.