Definition: In this task, you will be given a short story. One sentence from the story is chosen. Consider the events that happen before that sentence, or are likely to have happened before it. Does any of them directly cause it, or simply make it possible? You should write your answer in the form " A >causes/enables> B". Try to use phrases and sentences from the story to compose your answer when possible.
Input: story: Benny and Boyle were headed to the ice cream shop. On the way there Benny fell and busted up his knee. Boyle helped him limp the rest of the way to the shop. After he was cleaned up Boyle bought him ice cream. Boyle was such a good friend!
 selected sentence: Boyle helped him limp the rest of the way to the shop.

Benny falls >Causes/Enables> Boyle helps Benny up 