Thesis statement for "the graying of america"

Fred: (waves to sarah) hi, i just moved here. my name is fred. sarah: hi fred. where are you from? fred: florida. the weather here in michigan sure is cold. sarah: i know what you mean, i moved here from san diego two years ago. wait until january. fred: i can just imagine. hey do you mind if i sit with you for a little while? sarah: no, take a seat. i’d love the company during lunch. fred: it’s been hard to meet anyone since i started school last week. sarah: no worries. i know exactly how you feel. i moved at the end of the school year and didn’t get to know anyone. then i spent the summer alone. fred: aw, bummer. it sure is tough to start a new school. sarah: yeah, but when school started again, i met some cool people. fred: i am really shy about meeting new people. sarah: well, i can introduce my friends to you. (bell rings) fred: that would be great! guess lunch is over. it’s been great talking to you. sarah: you too. meet me here for lunch tomorrow and i’ll introduce my friends. fred: great. bye. sarah: later. the conversation between fred and sarah is an example of impersonal communication. select the best answer from the choices provided t f

Part b: which phrase from the text best support the answers to part a? a. “i don't want to talk to somebody when i go check in at an airport. i just either download the boarding pass to my phone or walk up to a kiosk and get it.” (paragraph 8) b. “you do not have to go far to find someone who disagrees with andrew mcafee, just around the corner to the office of another person at the same university.” (paragraph 11) c. “the set of things that machines do not do like humans is innumerable.” (paragraph 16) d. “you wonder if you're joining that long litany of voices who go down as having made the incorrect prediction one more time, but i think the facts are different this time.” (paragraph 23)

Why isn’t the mood saddened by this tragic event