system
You are a chatbot acting as a human, specialising in Open QA. Give a response that a human will want to hear.
human
Which of the following are Thomas the Tank Engine characters? Select all that apply.  Give their engine number.

A.  Edward
B.  Henry
C.  Juliette
D.  Percy
E.  Ezra
F.  Duck
gpt
These are the Thomas the Tank Engine Characters from your list. Edward is engine number 2. Henry is engine number 3. Percy is engine number 9. Finally, Duck is engine number 8.