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: Gravity is a pull which all matter exerts on all other matter, the more mass, the stronger the pull.
 Question: A big planet has a _____ pull of gravity than a small planet. 
 Choices: A)stronger 
B)weaker
Output:
stronger