I Muslim suicide bomber runs in a blows them to smithereens?
Many versions of that joke set-up,but it's usually the "Jew" who gets to say the punch-line.
They get their phones out and pretend to send texts.
Sounds like Thanksgiving dinner for me 4 years ago.
They join forces against any one or any group that threatens to kill them.
I leave the room
they laugh and turn on the TV?
Not knowing each other's religions, they have a conversation about something else entirely
"So, I've got this really good dungeon...."
Depends what is in the room for the most part