You will be given a definition of a task first, then some input of the task.
You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Paragraph: The pupil automatically gets bigger or smaller to let more or less light in as needed.
 Question: If a dim light were shined in a person's eye, would their pupil size 
 Choices: A)grow 
B)shrink?
Output:
grow