Which excerpt from “two kinds” shows that the mother knows how her daughter can become a prodigy?

"i had assumed that my talent show fiasco meant that i would never have to play the piano again."
"she had come to san francisco in 1949 after losing everything in china."
"we'd watch shirley's old movies on tv as though they were training films."
"the instructor of the beauty training school had to lop off these soggy clumps to make my hair even again."