Answer:
I would try to use a gender-neutral term or maybe ask them.
Explanation:
I’m sure not many would take offense to being asked their pronouns or how to refer to them. If you’re concerned about asking that, I would just use a gender-neutral term or none at all.
Example: “Hello! Welcome to (Input plac).”
Another example: “How may I help you, friend?”
It may not be appropriate for some, but it could be beneficial
The art of persuading people to agree with you best describes the definition of rhetoric.
To transition the scene from 1945 back to 1942 because it is a flashback to when Mr. Otto Frank's family was still alive before they were captured by the green police and arrived in a concertraion camp