Read the passage below and answer the question.

no matter how hard i explain, they can’t see how awful my job at a sushi house is. i waitress ten hours a day, seven days a week. my legs are swollen when i punch out at ten p. m. i might never be able to buy an apartment at all. i’m eager to leave my job and start something of my own – a snack bar or a nail salon or a video store. i must save every penny.

which sister is speaking?

the narrator while living in new york
the narrator while living in china
yuchin when she visited new york
yuchin while living in china