In this task, you will use your knowledge about language (and common sense) to determine what element the marked number refers to. The numbers are marked with two underlines around them, like: _ number _. Your answer should be chosen from the given text, and should not contain other words.
Q: Kristin Carlson: Kate , let 's talk . I 'm a professional .
Eileen Swift: Professional ?
Kristin Carlson: I 'm a psychology major .
Eileen Swift: Oh , then we 're in good hands ! You 're only _ 10 _ , 12 years away from getting your degree ?
Kristin Carlson: I always love a good joke , they are such a sign of insecurity !
A:
years