In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Question: If Milo has asthma and moves to the city, what can happen to his asthma? 
 Answer: gets worse
Certain respiratory conditions can be made worse in people who live closer to or in large cites.

Question: Will has a pully with 5 rope segments. Alan's pully has an equal size rope with 7 segments. Which person needs less force to do the same job? 
 Answer: Alan
The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.

Question: Rich breathed in and out. When he breathes _____ his chest seems larger. 
 Answer: in

Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.