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).
Q: Paragraph: The greater the objects mass, the greater the force of attraction; in addition, the greater the distance between objects, the smaller the force of attraction.
 Question: A rock has more mass then a pebble. Which object will exhibit a greater force of attraction? 
 Choices: A)rock 
B)pebble
A:
rock