next question: What causes hard breathing when you are sick
Options:
- live
- sigh
- blood
- respiration
- cough
reasoning:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Cough occurs when one is sick. Cough leads to hard breathing. The answer is cough.