They can be in a restaurant or a private home.
One day, he met her by chance in a restaurant.
They had been sitting in a restaurant at the time.
He played a small role as a man in a restaurant.
She worked in a restaurant and would take time off to film.
They were then told to wait in a restaurant down the street.
They're members of your party, even though you're in a restaurant and you may not know them.
Then they sat at a table, as if waiting for food in a restaurant.
Many people probably don't care where they sit in a restaurant.
People go for the experience of being in a great restaurant.
