story: Last week my friends and I got sleds together and went on a hill. We all had races going down and running back up. I won most of them but it was almost a tie. My best friend finally gave up when he was too tired. It was a fun day and we all felt like winners.
 selected sentence: Last week my friends and I got sleds together and went on a hill.
My friends and I went on a hill with our sleds >Causes/Enables> My friends and I rode down the hill on our sleds