A group of 3 girls, of Asian ethnicity, is looking at a menu, while a 4th person sits off to the side and listens to them.
Three Asian friends are ordering lunch while someone sits and watches them.
Girls of Asian ethnicity is a rephrasing of Asian friends, looking at a menu implys ording lunch, a 4th person is a type of someone, and watches them implies listening to them.
(-x)
(-x)