In this task, you will be given a short story. One sentence from the story is chosen. Consider the events that happen after that sentence. Is any of them directly caused by it, or is made possible by it? 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. Do not change the main selected sentence in your answer.

[Q]: story: Rachel was lying in bed, scared of the dark. She tried to calm down and go to sleep. She was just too scared, and jumped out of bed. She decided to sneak into her sister's room. She quietly crept in and then laid on the floor and fell asleep.
selected sentence: Rachel was lying in bed, scared of the dark.
[A]: Rachel is scared >Causes/Enables> She tries to calm down

[Q]: story: Lisa and Debbie were playing in the yard near the pine tree. All of a sudden a bird dove at them. They ran off as it chased them. It finally flew back over to the tree. She was protecting her nest.
selected sentence: It finally flew back over to the tree.
[A]: The bird flies >Causes/Enables> The bird lands

[Q]: story: Renny had a favorite cup he used every day. One day she told her son to put it in the sink for her. Her son grabbed the cup and walked towards the sink. On his way there, he tripped on a toy that was left on the ground. Renny's son and her favorite cup fell to the ground and her cup broke.
selected sentence: Her son grabbed the cup and walked towards the sink.
[A]:
Renny's son carries her cup toward the sink >Causes/Enables> Renny's son drops the cup when he trips over a toy