I need some help again. its from the story Kickin’ Korean Barbeque Which sentence from the text best demonstrates how Sammy's actions develop the theme of the importance of holding on to cultural traditions?

Question 4 options:

"Then he headed out the back door of the truck."

"Sammy finished chopping a stalk of scallions and put down his knife in order to glance at his phone."

"Without saying a word, he climbed back into the food truck."