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: My dad was in the navy when he was younger. But ever since then he hasn't been great on boats. Any time he is out on the water he feels sick. There was one time when we went deep sea fishing. The poor man was leaning over the boat the whole time being sick.
 selected sentence: Any time he is out on the water he feels sick.

My dad is not great on boats >Causes/Enables> My dad feels sick when he is on the water