请问risk tolerance，risk perception和 risk capacity的区别

协会官网有一题不太明白，请问为什么？

Exhibit 2

Selected Questions from Investment Risk Tolerance Questionnaire

1. When you think of the word “risk,” which of the following words comes to mind first?
2. Loss
3. Uncertainty
4. Opportunity
5. Thrill
6. You have just finished saving for a “once-in-a-lifetime” vacation. Three weeks before you plan to leave, you lose your job. You would:
7. cancel the vacation.
8. take a much more modest vacation.
9. go as scheduled, reasoning that you need the time to prepare for a job search.
10. extend your vacation, because this might be your last chance to go first class.

Q. The goals of the two questions in Exhibit 2 are most likely designed to address, respectively, the investor’s:

1. risk perception and risk capacity.
2. risk perception and risk aversion.
3. risk tolerance and risk perception.