Which of the following is an example of the overjustification effect?

Rachel was motivated to run a marathon because she knew it would make her feel a lot of pride.

Martin is struggling to find safe shelter and enough food for his children.

Alex used to enjoy playing with the kids in the neighborhood, but after he got a job as a camp counselor, he didn't enjoy playing with kids in the neighborhood any
more.

Alison walks her neighbor's dogs twice a day while they are on vacation. They pay her $50 for the week.

lan finally gets up out of bed when he feels so hungry he could eat five meals.