Definition: In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Input: Caroline Channing:  Ok , there 's bulletproof glass ... with a bullet in it .
Max Black: Alright so the glass works ...
Caroline Channing: It says to sign in .
Max Black: Look , why do n't you just take some of our cupcake business savings and go to a good dentist 's office ? You know , _ one _ where you wo n't get a Staph infection just by looking at the floor .

office