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: Alex loves travelling with his wife. They have been married 5 years and vacation each year. His favorite trip was to Vatican City. He thought the city was absolutely beautiful. They plan to return again in the future.
selected sentence: They plan to return again in the future.
[A]: Alex and his wife visit Vatican City >Causes/Enables> They plan to return to Vatican City

[Q]: story: Karen was taking a taxi to the store. When they arrived the driver realized he hadn't set the meter. They had no clue how much it cost. He waved Karen off, saying that it was on the house. Karen hesitated but then thanked him.
selected sentence: Karen was taking a taxi to the store.
[A]: Karen hails a taxi >Causes/Enables> Karen takes a taxi to the store

[Q]: story: Harry wanted to eat pizza. So he put frozen pizza in his oven. An hour later, he smelled Something burning. And he rushed to his oven. His pizza was black and crispy.
selected sentence: Harry wanted to eat pizza.
[A]:
Harry gets hungry >Causes/Enables> Harry wants to eat