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: Gluons make quarks attract each other more strongly the farther apart the quarks get.
 Question: When there are high levels of gluons in quarks it becomes 
 Choices: A)weaker 
B)stronger
stronger