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.

Q: story: Tom was trying to make hamburgers. He found some old meat in the freezer. He wasn't sure if it was still good. Tom noticed a bad smell when he started cooking it. He decided not to risk it.
selected sentence: He decided not to risk it.

A: Tom's hamburger meat smells bad >Causes/Enables> Tom decides not to risk it
****
Q: story: Lan walked to the beach. She walked through the sand until she was up to the surf. Lan stepped into the water where it was almost to her knees. She tried to walk further where the water was above her chest. The waves splashed her back to the shore.
selected sentence: She tried to walk further where the water was above her chest.

A: Lan stepped in the water >Causes/Enables> Lan tried to walk further into the water
****
Q: story: Robby stopped at a gas station in a small town. There was no one in the store that he saw working. Robby looked around the store. He saw an old man passed out on the floor. Robby called an ambulance to help the man.
selected sentence: Robby stopped at a gas station in a small town.

A:
Robby drives a car >Causes/Enables> Robby stopped at a gas station
****