story: Sadie was on a skiing trip with her parents. She was really having fun for the first part of the day. Soon she began to feel bitterly cold. She tried to get through it but it was too frustrating. Finally, she gave up and decided to stop skiing.
 selected sentence: She tried to get through it but it was too frustrating.
Getting through the cold is too frustrating >Causes/Enables> Sadie gives up