Answer:
number 2
Step-by-step explanation:
The underlined ones are wrong.
The point of the struggel is to win, so if the prize is not one, you have merely wasted your time.
Imagine that you work on your trumpet solo for weeks, the performance night finally arrives.
But you get nervous in front of the audience, and it is not successful.
You would not feel satisfied by your effort, but rather disappointed at not achieving your goal.