You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.

Q: Question: RJ diamond is more resistant to weathering while Tony has some sandstone which is less resistant to weathering. Whose rock will likely not last as long? 
 Option1: RJ's 
 Option2: Tony's 
 Explanation: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.

A: Tony's
****
Q: Question: As a boy grows to a man and his larynx grows smaller, his voice gets 
 Option1: deeper 
 Option2: higher. 
 Explanation: The voice becomes deeper as the larynx in the throat grows larger.

A: higher.
****
Q: Question: Milo breeds cats for a living. If he wants his cats to share a specific trait, what should he do to the amount of offspring each cat produces? 
 Option1: decrease 
 Option2: increase 
 Explanation: Natural selection is the process by which living things with beneficial traits produce more offspring, so their traits become more common over time.

A:
increase
****