Intrinsic motivation is motivation caused by earning an internal reward.
A.) Yannick always studies until midnight because he wants to get a good grade.
The rest are doing things in exchange for another. Kimi didn't fix Gordon's table just because she thought it was a nice act, but because she was getting notes. Evan pulled over because it's illegal not to. Marileta bought the gift card for Rick because it was a work function and they were buying gifts for everyone, she didn't do this to bring herself happiness.