Given the task definition and input, reply with output. 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 satellite was sent to orbit and monitor a small planet and it easily passed a much smaller planet. It was concluded that this happened because the gravitational pull of the smaller planet was 
 Choices: A)stronger 
B)weaker
weaker