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: A person takes a deep breath and wants to know if the air outside their lungs is stronger than the air outside. The air outside the body, compared to the air in their chest, when they have a large chest, will be 
 Option1: higher 
 Option2: lower 
 Explanation: During inhalation, because the chest volume is larger, the air pressure inside the lungs is lower than the air pressure outside.

A: higher
****
Q: Question: Ivan yells across a canyon in the morning when it is cold and again later in the afternoon when it is hot. During which time did his voice travel the slowest? 
 Option1: morning 
 Option2: afternoon 
 Explanation: For a given medium such as air, sound has a slower speed at lower temperatures.

A: morning
****
Q: Question: If Jim upgrades his computer to a more powerful model, what happens to the amount of work it can perform? 
 Option1: it can perform more work then before 
 Option2: it can perform less work then before 
 Explanation: Compared with a less powerful device, a more powerful device can either do more work in the same time or do the same work in less time.

A:
it can perform more work then before
****