Cleo is writing an essay arguing that her school should open at 8:30 a. m. instead of 7:30 because it would benefit the student body. Which claim is the most effective for her argument?

-Kennedy High School should open at 8:30 a. m. instead of 7:30 because students would get an extra hour of sleep, improving their health and brain function.
-Kennedy High School should open at 8:30 a. m. instead of 7:30 because students would get more sleep, making them healthier—although some would take advantage of the change and go to bed later.
-Kennedy High School should open at 8:30 a. m. instead of 7:30 for seniors only because they have earned that special privilege and it would serve as motivation for younger grades.
-Kennedy High School should open at 8:30 a. m. instead of 7:30 because many students arrive late as it is and this change would mean that more students get to class on time.