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: Tony was trying to open a pickle jar. He couldn't get the lid off. He decided to run it under warm water. Soon, he was able to get the lid off. Then, he ate some pickles.
 selected sentence: He couldn't get the lid off.

tony trying to open pickle jar >Causes/Enables> tony could not get lid off