A: Do you have any chewing gum?
B: I don't have any, sorry.
A: What are you chewing on, then?
B: It's a piece of paper.
A: Do you know how dirty paper is?
B: It was a brand new sheet.
A: Why are you chewing it, though?
B: I forgot to buy gum, so I'm chewing paper.
A: What if you get a paper cut on your tongue?
B: I really don't think that will happen.
A: I still say it's a bad idea.
B: But at least I'm chewing something.