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: Muscles that are exercised are bigger and stronger than muscles that are not exercised.
 Question: Rita works out for half an hour while Quenton sits on the couch. Who's muscles have likely shrunk in size? 
 Choices: A)Quenton 
B)Rita
Quenton