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: Today my family went to the beach. We splashed around in the water. We built sand castles. Dad brought a picnic and we ate sandwiches on the beach. We were so tired at the end of the day I fell asleep in the car.
 selected sentence: We were so tired at the end of the day I fell asleep in the car.

My family went to the beach >Causes/Enables> My family was tired at the end of the day