What was the question for this implicit rationale, and corresponding answer?
This is the relevant information: Erin is portrayed by Ellie Kemper.
 The answer: Ellie Kemper
user
The question: Erin is portrayed by Ellie Kemper. She is an original character, although her closest equivalent in the British version of the series would be Mel the receptionist, who appears briefly in The Office Christmas specials, as Dawn Tinsley's replacement.

Answer this question: who plays the new receptionist on the office?
assistant