Look at the following writing sample. Classify it as formal, Informal, or semi-formal.
HI. guys. Today, I'm going to show y'all a totally awesome way to make a cake. First you make the mix and all that jazz.
Then, you take it out of the oven. Don't get bumed 'cause that's no good. Once it gets cooled off a little, you're ready to
get crackin'. You can put on this fabulous, yummy pink frosting. After that, you can chow down.