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: Bill goes to visit his grandparents. Bill and his grandmother decide to go for a walk. When they come around the corner there is a giant moose in the road. He stares at them for what seems like forever and then walks away. Frightened, the two turn around and go home.
 selected sentence: He stares at them for what seems like forever and then walks away.

BIll sees a giant moose in the road >Causes/Enables> Bill stares and walks away