. ♪ giovanna: oye, como que se está poniendo buena la bohemia aquí en el depa.e medicina, de derecho, de comunicación. [ríe]

how old are you, giovanna? >> 13. >> what greater you and? >> grade seven. -- what grade are you in? >> grade seven. >> great. thanks for coming. thank you for supporting us. how are you guys? >> this is my daughter. >> how wonderful. >> you are a lucky father. >> i am blessed. guatemala 13om years ago. where were you from originally? >> guatemala city. >> what is your favorite -- >> mine. >> you remind me of my daughter. >> she just turned 13 last week. >> great. maybe you will be a doctor. do you want to be a doctor? no? a marine biologist. a good place for that is california. thank you for coming. >> thank you very much. nice to meet you. >> how are you? well, we are doing well, but it is only going to happen if we keep doing well, and i think we will. we have a lot of people working hard and we appreciate your help. >> [indiscernible] >> that is so true. i think that is a key reason. >> i am fans. nice meeting you. >> nice to see you. great to be here. i love your stay. i spent a lot of time here and even in the rainy days of winter, it's

giovanna over here, these cost hundreds of dollars. the question is, can you pick which is which?ere? >> uh-huh. >> cheap. $6.99. >> no way. >> most people get it wrong. >> can i look closer? >> reporter: get closer. go for it. >> expensive, cheap. >> those are expensive. those are cheap. >> she has the expensive sunglasses. >> i'm going to say that one. [ buzzer ] oh, wow. >> reporter: some get it right like this woman. >> expensive. that's my guess. i don't get them? >> reporter: let's talk later. what about those claims of 100% uv protection? the expensive ones promise it and so do the the cheap ones say blocks 100% uva and uvb. same with this one. great. to find out we've come to the official eye center at the university of california berkeley, and optomotrist dr. dennis fong. you were saying you can stick these glasses in this little machine and instantly you get 100% protection. >> it's that ease. >> i these are dior. >> put in the sensor here. it shows 100% protection. >> chanel, ladies and gentlemen. >> 100% protection again. >> all the expensive ones pass. now we want to